Top 10 Best Smoke Detector Pack
of November 2024
1
Best Choice
IMPRESA
IMPRESA
IMPRESA [12 Pack] Temporary Smoke Detector Cover to Protect Vital Alarms - Smoke Alarm Paint Cover During Construction - Fire Alarm Cover Set That Fits Most Models - Fire Alarm Covers Plastic
10
Exceptional
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2
Best Value
X-Sense
X-Sense
X-Sense Smoke Detector, Wireless Interconnected Fire Alarm with 10-Year Battery Life and Transmission Range of Over 820 ft, SD20-W, Pack of 6
9.9
Exceptional
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3
X-Sense
X-Sense
X-Sense Mini Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, XS01, 3-Pack
9.8
Exceptional
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4
X-Sense
X-Sense
X-Sense Combination Smoke and Carbon Monoxide Detector with Voice Alerts, Smoke Detector Carbon Monoxide Detector Combo with Replaceable Battery, XP0A-SR, 1-Pack
9.7
Exceptional
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5
X-Sense
X-Sense
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06, Pack of 3
9.6
Exceptional
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6
X-Sense
X-Sense
X-Sense Smoke Detector Carbon Monoxide Detector Combo, 10-Year Battery Smoke Detector with Display, Standalone Model SC01, Single Pack
9.5
Excellent
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7
X-Sense
X-Sense
X-Sense Combination Battery Powered Smoke and Carbon Monoxide Detector with Voice Location, Wireless Interconnected Smoke Detector Carbon Monoxide Detector Combo, Model XP02-WR, 3-Pack
9.4
Excellent
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8
X-Sense
X-Sense
X-Sense Smart Smoke Detector with SBS50 Base Station, Wi-Fi Smoke Alarm Compatible with X-Sense Home Security App, Wireless Interconnected Mini Fire Alarm, Model FS31
9.3
Excellent
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9
X-Sense
X-Sense
X-Sense Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft Transmission Range, SD19-W, Pack of 12
9.2
Excellent
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10
FIRST ALERT
FIRST ALERT
FIRST ALERT BRK 9120B-12 Hardwired Smoke Detector with Backup Battery, 12-Pack
9.1
Excellent
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11
FIRST ALERT
FIRST ALERT
First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack
9.0
Excellent
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12
Ecoey
Ecoey
Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector with Test Button and Low Battery Signal, Small Fire Alarm for Home, Bedroom FJ136GB, 8 Packs
8.9
Very Good
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13
SITERWELL
SITERWELL
SITERWELL Smoke Alarm , Smoke Alarm with Photoelectric Sensor and 9V Battery Operated(Include), 10-Year Life Time Fire Alarm with UL Listed, Fire Safety for Kitchen,Home,Hotel, GS528A, 6 Packs
8.8
Very Good
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14
Kidde
Kidde
Kidde Smoke Detector Alarm | Battery Operated | Model # i9050 Pack of 4
8.7
Very Good
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15
FIRST ALERT
FIRST ALERT
First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White
8.6
Very Good
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16
LSHOME
LSHOME
4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to Install with Light Sound Warning, Test Button,9V Battery Included Fire Safety for Home Hotel(912-4)
8.5
Good
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17
Kidde
Kidde
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door, Test-Silence Button, Pack of 6
8.4
Good
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18
Ecoey
Ecoey
Ecoey Smoke Detector, Smoke Alarm with Advanced Photoelectric Technology, Fire Alarm Smoke Detector with Test Button and Low Battery Reminder, Fire Alarm Used in Bedroom, Home, FJ138, 8 Packs
8.3
Good
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19
Google
Google
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES
8.2
Good
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About Smoke Detector Pack
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IMPRESA [12 Pack] Temporary Smoke Detector Cover to Protect Vital Alarms - Smoke Alarm Paint Cover During Construction - Fire Alarm Cover Set That Fits Most Models - Fire Alarm Covers Plastic
Protect Important Detectors Safeguard your critical alarms during your home upgrades, or even while cooking. This fire alarm plastic cover pack helps ensure all systems run smoothly after construction, and prevents alarms from going off during dinner prep. Improve your home safety long-term by using a temporary smoke detector dust cover. Deflects Dust and Debris When work is being done, the air is full of fine particles. Prevent damage to the detector that could impair its functionality. With these attachable covers, you can create a shield around your fire alarms and carbon monoxide detectors. Conveniently Compatible Don't take any chances with uncovered alarms. This LDPE plastic paint and dust cover fits most standard detectors with a 6 diameter and 1 height. From your CO2 detector to your smoke alarms, this set is ready to get to work. Value 12 Pack From single home DIY upgrades to commercial renovations, these brightly colored smoke detectors are up for the task. With 12 covers per set, you can protect every detector in your home, and save some for your next project. Instant Application Don't waste too much time defending against potential damage. This LDPE plastic dust cover set can be easily attached or removed in seconds for protection that lasts until the project is done. Each cover includes warning and instruction stickers to keep every construction area safe.
X-Sense Smoke Detector, Wireless Interconnected Fire Alarm with 10-Year Battery Life and Transmission Range of Over 820 ft, SD20-W, Pack of 6
10-Year Lifespan This smoke detector offers 10 years of continuous protection in a compact design the built-in 10-year lithium battery will not need to be replaced for the life of the alarm. Wireless Connection Up to 24 X-Sense Link wireless alarms, including smoke alarms, carbon monoxide alarms, and combination alarms, can be linked via RF technology, creating a wireless safety network that covers your whole house. Flexible Network The battery operated smoke detectors in this multi-pack have been pre-connected to customize your network, simply add new devices to the existing network or disconnect the devices to form new networks. Flame-Retardant Material The housing of the wireless interconnected smoke detector is made of flame-retardant and high-temperature resistant ABS material, ensuring the durability and stable operation of the device. 85 dB Alarm When one fire alarm is triggered, all units will emit a loud 85 dB alarm, which can wake even the heaviest sleepers.
X-Sense Mini Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, XS01, 3-Pack
10-Year Battery Forget about battery changes as this alarm is equipped with a built-in lithium battery that lasts for 10 years. Accurate with Fewer False Alarms Reliably keeps you and your loved ones protected from smoke and fire quickly detects smoke from smoldering fires thanks to advanced photoelectric sensors low false alarm rate with air sampled 3 times every 10 seconds. Fits Right In Mini size alarm measuring just 3.1 1.9 in 78 48 mm and with hidden mounting bracket low-profile design makes it an unobtrusive addition to any home dcor. Fire-Retardant Construction ABS plastic means the alarm is fire-retardant and resistant to high temperatures ensures the alarm works even in the most dangerous of circumstances. Easy to Install Install this fire alarm in minutes thanks to the simple instructions and wire-free design mounting bracket, screws and anchor plugs provided.
X-Sense Combination Smoke and Carbon Monoxide Detector with Voice Alerts, Smoke Detector Carbon Monoxide Detector Combo with Replaceable Battery, XP0A-SR, 1-Pack
Talking Alarm Immediately understand the danger thanks to a voice alert that sounds in conjunction with the siren the built-in speaker delivers warnings specific to the detected danger type, such as Warning Smoke detected. Evacuate. or Warning Carbon monoxide detected. Move to fresh air.. 2-in-1 Protection Get full protection from a single alarmthe photoelectric and electrochemical CO sensors which work independently to instantly warn you of dangerous smoke or CO levels keeps your family protected against 2 deadly threats with less hassle peak CO concentration memory is supported and can be reset to 0. 10-Year Lifespan Heat-resistant PC material and 10-year sensor life offer reliable performance for up to 10 years the replaceable CR123A battery lasts up to 5 years. Handy voice alerts keep you easily and quickly informed of important information such as emergencies, battery status, faults and lifespan understand whats going on without digging out the manual so you can take action quicker and keep your family safer. Sleek Design Only 1.2 in 30 mm thick, this ultra-thin alarm blends in anywhere the 5.3 in 135 mm diameter mounting bracket perfectly covers the hole left by your old alarm. Quick to Install Quickly and easily install this smoke and carbon monoxide alarm on any wall or ceiling with the provided mounting kit.
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06, Pack of 3
Combination Smoke and Carbon Monoxide Alarm One alarm to protect against 2 deadly threats, including smoke and carbon monoxide accurately detects carbon monoxide from any potential source. 10-Year Battery-Operated Smoke and CO Alarm A sealed lithium battery enables the unit to keep you and your family safe and sound for up to a decade with no need to replace batteries frequently a low battery warning lets you know the unit is coming to its end of life. Faster Response to Dangers with Loud 85 dB Alarm Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms. Simple Installation Operation This battery-operated unit can be installed quickly and effortlessly without an electrician one-button operation allows you to test and silence the alarm with ease. Premium Quality Made from a premium PC material, ensuring exceptional quality and protection approved by the ETL and meets the UL 217 and UL 2034 safety standardscomes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support.
X-Sense Smoke Detector Carbon Monoxide Detector Combo, 10-Year Battery Smoke Detector with Display, Standalone Model SC01, Single Pack
10-Year Sealed Battery Contains a long-life lithium battery that powers the device for its entire 10-year life. 2-in-1 Protection This combination detector protects your family against two dangers-both smoke and carbon monoxide. Simple Installation Requires no rewiring easy to mount this fire and CO alarm on any wall or ceiling with the included mounting bracket, screws and anchor plugs. Loud 85 dB Alarm Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms. Premium Material Made from an upgraded PC material that is heat-resistant, high-temperature resistant, and corrosion-resistant.
X-Sense Combination Battery Powered Smoke and Carbon Monoxide Detector with Voice Location, Wireless Interconnected Smoke Detector Carbon Monoxide Detector Combo, Model XP02-WR, 3-Pack
Voice Alarm with Location When theres danger, the alarm says Warning Smoke detected in Living Room. Evacuate. or Warning Carbon monoxide detected in the Basement. Move to fresh air. Clearly informing you and your loved ones, and letting you know what to do for your safety. Voice Reminder Function This smoke and carbon monoxide alarm will alert you about operating functions via voice if the battery is low or there is a malfunction, ensuring you never miss important alerts. Full Home Coverage With a wide open-air transmission range of 1700 ft 500 m, 24 XP02-WR units can be interconnected so that when one is triggered, all of them will let you know the room of the source alarm. Fire and CO Detection in One Unit Equipped with photoelectric and electrochemical sensors that detect smoke and carbon monoxide, protecting your home and family from dual threats. 10-Year Product Life This combination alarm has a 10-year sensor life with top-quality electronics no worries, it will function accurately and reliably for a decade.
X-Sense Smart Smoke Detector with SBS50 Base Station, Wi-Fi Smoke Alarm Compatible with X-Sense Home Security App, Wireless Interconnected Mini Fire Alarm, Model FS31
Never Miss an Alarm Whenever smoke is detected, youll get an immediate alert on your phone at the same time, the base station and each linked alarm will sound loudly, letting everyone at home know to evacuate. Build a Smart Home Safety System The SBS50 base station supports up to 50 devices including the XS01-M smoke alarm, XC01-M carbon monoxide alarm, XP0A-MR combination alarm, STH51 thermo-hygrometer, SWS51 water leak sensor and more the 1,640 ft 500 m open-air connection range means you can even secure every corner. Instant Status Alerts Monitor your home from anywhere and receive instant notifications for alarms, low battery warnings, faults, and more via the X-Sense Home Security app you'll also get a notification when the danger has passed. Control with One Button Easily connect the base station to your Wi-Fi with one button, and quickly silence your entire system by tapping the silence button in the app or on the base station. Test from the App Enjoy instant and easy peace of mind by testing the alarm from within the app, without having to climb a ladder to press a button on the device itself. Share the Convenience The handy Family Sharing feature allows up to 12 family members to control the device using the X-Sense app receive push notifications, testsilence devices, check the alarm status and more. Fast Fire Dispatch Within Just 3 Seconds As a subscriber to the Protect Premium which provides 247 professional monitoring service, when an alarm is triggered, you will receive a message from the monitoring center within 3 seconds to verify the emergency. After the emergency is verified, a fire truck will be dispatched immediately. Full Kit Provided 1 SBS50 base station, 3 XS01-M smoke alarms, 1 power adapter, and 1 power cable included simply download the X-Sense Home Security app and add the devices via a 2.4 GHz Wi-Fi network incompatible with 5 GHz to start protecting your home the smart way.
X-Sense Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft Transmission Range, SD19-W, Pack of 12
Detection Anywhere Features wireless interconnection so that if one alarm is triggered, they all go off, and they stay connected using radio frequency with a transmission range over 820 ft 250 m in the open air. Ready to Use The multi-pack detectors have already been connected for instant use, and you can connect up to 24 Link wireless alarms at a time. Customizable Wireless Network For a customized network, add new devices to the existing network, or disconnect the devices and create multiple networks. Battery Powered Smoke Alarm Built with a 10-year sensor and powered by a sealed 10-year lithium battery that doesnt need to be replaced. Premium Quality Material This smoke detector is made from an upgraded premium material that is durable, corrosion-resistant, and flame-retardant.
FIRST ALERT BRK 9120B-12 Hardwired Smoke Detector with Backup Battery, 12-Pack
Keep your family safe with this 12-pack of hardwired smoke alarms The battery backup means constant monitoring, even if there's a power failure. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm. To ensure complete protection make sure to place one on each level of your home and in each bedroom. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Simple to use, with a single testsilence button, and side-load battery compartment Tamper-resistant locking brackets and universal mounting brackets make installation easy. First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack
Note A loose neutral white wire connection within the home junction box could prompt a device malfunction. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. To ensure complete protection make sure to place one on each level of your home and in each bedroom. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Simple to use, with a single testsilence button, and side load battery compartment Tamper resistant locking brackets and universal mounting brackets make installation easy. Rigorously tested to meet UL standards. Emits T3 pattern. Keep your family safe with this 6 pack of hardwired smoke alarms the battery backup means constant monitoring, even if there's a power failure. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018.
Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector with Test Button and Low Battery Signal, Small Fire Alarm for Home, Bedroom FJ136GB, 8 Packs
High Accuracy Photoelectric smoke detector is small, but it is more sensitive to light smoke and slow smoldering fires and more quickly to warn you, keeping your home safe 247. Small size, DIA 3.3inch. If you have any problem with smoke detector, please contact us. Test Button Test smoke alarm every week by pressing the test button in the middle of the cover for 5 seconds. Please change batteries when smoke detector inform low battery, smoke alarm chirp every 32 seconds and the red LED flashes at the same time. Easy Installation Smoke alarm can be easily installed with mounting bracket. Not hardwired anymore and you can install it wherever you want, except bathroom and kitchen, keep 3 ft away from the kitchen, bathroom, or other high air flow areas. Sound LED Warning If fire alarm detects smoke or combustion particles in the air, it will sound in 85db and red LED will flash rapidly to remind every member to check. If fault, please clean dust or smoke inside smoke alarm with fan. Home Protection According to US data analysis, a family fire begins every 38 seconds. The faster you know about the fire, the sooner you start moving your family, and the smoke alarm at work reduces the risk of home fire deaths by 50.
SITERWELL Smoke Alarm , Smoke Alarm with Photoelectric Sensor and 9V Battery Operated(Include), 10-Year Life Time Fire Alarm with UL Listed, Fire Safety for Kitchen,Home,Hotel, GS528A, 6 Packs
Test Button Low Battery Signal The smoke alarm is easily to test by pressing the button more than 5 seconds. If low battery there will be a signal alarm,which will recall you to change a new battery,then the smoke detectors will work as usual.. Safety Clip Feature The photoelectric smoke detectors are not allowed mounting without battery install,so don't worry about the fire risk if you forget the battery.. Easy Install Replacement Battery The smoke detector is 9V battery operated,which can be quickly replaced.There 2 expansion screws in the box to help you install the alarm.. 10 Years Life Time The smoke alarm have 10-year long lifeNot the battery life time with loudly alarmLoud85dB alarm signal at 3 meters,to make the room person can hear the alarm clearly when the smoke alarm is chirping,There will be enough time to leave from the dangerous.. Home Protection Working smoke smoke detector cut the risk of dying in a home fire by 50, and that's important because a home fire starts every 83 seconds The faster you realize a fire warning,the more time you can escape from the fire..
Kidde Smoke Detector Alarm | Battery Operated | Model # i9050 Pack of 4
The Kidde i9050 basic, battery operated smoke alarm provides you and your family an early warning signal against the dangers of fire and smoke. This easy to install smoke alarm includes a test button to verify the unit's electronic circuitry, horn and battery function are work properly. The i9050 also includes a tamper resist feature to help deter theft or tampering. This smoke alarm is powered by a 9V battery and is suitable for all living areas. This alarm uses ionization sensing technology.
First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White
Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection a loud 85 decibel alarm sounds when smoke levels are elevated. Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires. Battery operated alarm unit provides continuous monitoring even if there's a power failure Plus, it's easy to install. Tamper resistant alarm also features a single testsilence button, side battery door, and missing battery guard. To ensure complete protection make sure to place one on each level of your home and in each bedroom. It can ship within the US except New York. First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018.
4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to Install with Light Sound Warning, Test Button,9V Battery Included Fire Safety for Home Hotel(912-4)
Accurate Sensitive The small size smoke alarm adopts photoelectric technology to detect smoke, which is more sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 247. Photoelectric TechnologyMaterial Fire-Retardant ABS V0 Level. 9V Battery-Powered Photoelectric sensor Smoke Alarm. photoelectric technology which is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder from all directions for hours before bursting into flames.. Test Button Test smoke alarm every week by pressing the test button in the middle of the cover for 5 seconds. Please change batteries when smoke detector inform low battery, smoke alarm chirp every 32 seconds and the red LED flashes at the same time. Sound LED Warning If fire alarm detects smoke or combustion particles in the air, it will sound in 85db and red LED will flash rapidly to remind every member to check. If fault, please clean dust or smoke inside smoke alarm with fan. Home Protection According to US data analysis, a family fire begins every 38 seconds. The faster you know about the fire, the sooner you start moving your family, and the smoke alarm at work reduces the risk of home fire deaths by 50. 10 Years Warranty If there are any problems with our products ,you can contact us ,we must reply you within 24hours as soon as possible.NOTE Please test it once a month to ensure that the smoke alarm works properly. Please clean up the dust on the alarm every 6 months to prevent the smoke alarm from being clogged or blocked..
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door, Test-Silence Button, Pack of 6
Front-load battery door For quick battery replacements. Still works during power failures - smoke alarm with battery backup operates on a 120V power source with 9V battery included. Ionization sensing technology - hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire. TestHush Button Its simple to test or hush false alarms by pressing the button right on the face of the device. Whole building detection multi-pack for easily installing 1 fire detector on each level of the home in each bedroom. UL Certified, 10-year limited warranty. Package contains 6 Kidde smoke detectors.
Ecoey Smoke Detector, Smoke Alarm with Advanced Photoelectric Technology, Fire Alarm Smoke Detector with Test Button and Low Battery Reminder, Fire Alarm Used in Bedroom, Home, FJ138, 8 Packs
ADVANCED PHOTOELECTRIC SENSORS Smoke detector equipped with photoelectric sensors have an average response time of 15-50 minutes faster than ionisation sensors. An audible alarm of 85 dB at 3 metres helps you to prevent fires in their early stages. MINI BUT MIGHTY Mini smoke detector that can be held with just one hand, is easier to install and disassemble. Equipped with a 10-year long-lasting chip, smoke alarm FJ138 provides long-lasting protection for you and your family. BATTERY EQUIPPED AND REPLACEABLE There is no need to purchase additional batteries, the battery operated smoke detector FJ138 has already equipped for you When the battery runs out, simply replace it with a new one to bring your smoke alarm back to life. LOW BATTERY WARNING When the battery is depleted, the red LED light and chirp will alert you every 32 seconds to replace the battery with a brand new one in time. Please refer to the instruction manual for available battery models and installation instructions. CHOOSE YOUR PREFERRED INSTALLATION METHOD Fire alarms smoke detectors FJ138 come with screw packs and magnet sheets, which eliminates the need for hard wiring, and you can install it with whichever accessories you want according to the location of the installation. TESTSILENCE FUNCTION After confirming that there is no fire hazard, press the silence button for 5 seconds to stop annoying false alarms. Test smoke alarms weekly for normal use.
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES
Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home. Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is. Get phone alerts so you know something's wrong even when you're away from home1. CO detector looks out for carbon monoxide and tells you where it's located. With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke. No chirps to tell you the battery is low Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working. A Light in the Dark Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way.. The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade. With Safety Check you can test all your smoke and CO alarms with just a tap and get a full report once the test is done. Know from anywhere. Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low.. Tells you what and where. It speaks up to tell you if theres smoke or CO and where the problem is, so you know what to do. Connectivity Bluetooth 4.0 LE, Wi-Fi 4 802.11n. App Silence. Nest Protect is the first alarm you can hush from your phone. Simply walk to the Nest Protect that noticed the problem and open the Nest app.. Split-Spectrum Sensor. In an emergency, seconds count. Nest Protect uses two wavelengths of light to look for both fast and slow burning fires.. Heads-Up. Get a friendly voice alert so you can handle burning toast before it becomes a burning toaster.. 10-year carbon monoxide sensor. Carbon monoxide is odorless, invisible and deadly. When theres CO, Nest Protect tells you where its hiding..