Home Security › First Alert › alarm system

First Alert Photoelectric Smoke Fire Detector in Gray | 8.45 H x 6.7 W x 3.55 D in | Wayfair 1039826

The First Alert interconnected wireless smoke alarm with voice location is designed to notify you of trouble with both an 85 dB siren and voice notification. The battery-operated unit can be installed easily, without wires or an electrician. The units... more

First Alert Photoelectric Dual Sensor Smoke Detector in Gray | 5.25 H x 5.15 W x 2.6 D in | Wayfair 3120B

The BRK model no. 3120B is a wire-in, 120 V AC 60 Hz single and/or multiple station photoelectric and ionization dual sensor smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels,... more

BRK First Alert Hardwired Smoke Alarm - 10 Year Battery

The First Alert 9120LBL hardwired smoke alarm connects directly to your home electrical system. In the event of a power outage, the smoke/CO alarm is equipped with a 10-year lithium battery backup. more

BRK First Alert - SC9120LBL Hardwired Smoke & Carbon Monoxide Alarm

The First Alert SC9120LBL hardwired combination smoke/CO alarm connects directly to your home electrical system. In the event of a power outage, the smoke/CO alarm is equipped with a 10-year lithium battery backup. more

First Alert Plug-In Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.7 D in | Wayfair 1039746

The First Alert Plug-In Electrochemical Carbon Monoxide Alarm alerts you to dangerous carbon monoxide. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The... more

First Alert Dual-Power Carbon Monoxide Plug-in Alarm in Black | 2.5 H x 6.75 W x 8.5 D in | Wayfair FAT1039746

The product alerts you to dangerous carbon monoxide levels. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The backlit digital screen tells you, at a... more

FIRST ALERT 1039727 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10

Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Front, Battery Locking Pin Yes, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Front Loading Battery,... more

First Alert Hard-Wired Photoelectric Electrochemical Smoke & Carbon Monoxide Alarm in Gray | 5 H x 5 W x 2 D in | Wayfair SC7010B

This Hard-Wired Photoelectric Electrochemical Smoke and Carbon Monoxide Alarm features two latching features. The spread spectrum horn tone has a lower and varying frequency that makes it easier for the elderly with a normal age-related hearing loss to... more

First Alert Battery Photoelectric Smoke Alarm

Brand Name: First Alert Power Type: Battery Sensor Type: Photoelectric Product Type: Smoke Alarm Detects Carbon Monoxide: No Test and or Reset Button: Yes Number in Package: 1 each Volts: 120 UL Listed: Yes Packaging Type: Clamshell more

First Alert CAMWE-WOBB VX3 Outdoor Camera Backbox White

First Alert Pro by Resideo CAMWE-WOBB VX3 Outdoor Camera Backbox Advanced Security LLC offers UL Alarm Monitoring Services starting at $15.00 per month or DIY Self-Monitoring Services starting at $10.00 per month NO Contracts NO Hidden Fees & NO... more

First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039868

This First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm with voice and location has a slim profile, designed to blend more fully into the wall and out of sight. The battery-operated smoke and carbon monoxide detector alerts you to... more

First Alert Battery Operated 9V Electrochemical Carbon Monoxide Alarm - 1 Each

Battery-operated CO (carbon monoxide) alarm. Uses an electrochemical carbon monoxide sensor, the most accurate CO detection technology available, to detect the CO you can't see, smell, or taste in the air. more

BRK First Alert - Hardwire Carbon Monoxide Alarm with Battery

The BRK hardwire carbon monoxide alarm detects dangerous CO gas and allows you peace of mind with its battery backup.Carbon monoxide (CO) is a colorless, odorless, deadly gas. more

First Alert Battery-operated Photoelectric Smoke Alarm in Gray | 2 H x 6.75 W x 8.5 D in | Wayfair FAT1039772

Help protect your home with the product. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect smoke from slow-burning, smoldering fires. Half as thick as a standard alarm, this detector has a slim, contemporary design that... more

First Alert Plug-in Carbon Monoxide Alarm in Black | 2.25 H x 6.75 W x 8.25 D in | Wayfair FAT1039730

The product utilizes an electrochemical carbon monoxide sensor that lasts for up to 5 years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere. When carbon monoxide levels become... more

First Alert Hard-Wired with Battery Back-up Ionization Heat Alarm

Brand Name: First Alert Power Type: Hard-Wired with Battery Back-up Sensor Type: Ionization Product Type: Heat Alarm Packaging Type: Boxed Detects Carbon Monoxide: No ETL Listed: No Test and or Reset Button: Yes CSA Listed: No Number in Package: 1 pk UL… more

First Alert Battery Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.5 D in | Wayfair 1039718

This First Alert Battery Electrochemical Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy... more

BRK First Alert - SCO2B Battery Powered Smoke & Carbon Monoxide Alarm

As one of the most intelligent BRK smoke detectors, the BRK SCO2B model is an electrochemical battery-powered smoke and carbon monoxide alarm. more

First Alert Plug-In 120V Electrochemical Carbon Monoxide Alarm - 1 Each

Plug-in CO (carbon monoxide) alarm with battery back-up utilizes an electrochemical carbon monoxide sensor to accurately and effectively warn you of elevated CO levels. more

First Alert 2-in-1 Battery Photoelectric Smoke and Carbon Monoxide Alarm

Brand Name: First Alert Sub Brand: 2-in-1 Power Type: Battery Sensor Type: Photoelectric Product Type: Smoke and Carbon Monoxide Alarm Number in Package: 1 pk Packaging Type: Clamshell Detects Carbon Monoxide: No Test and or Reset Button: Yes UL Listed:… more

First Alert Battery Electrochemical/Photoelectric Smoke and Carbon Monoxide Alarm

Brand Name: First Alert Power Type: Battery Sensor Type: Electrochemical/Photoelectric Product Type: Smoke and Carbon Monoxide Alarm Number in Package: 1 pk UL Listed: Yes Packaging Type: Clamshell Low Battery Indicator: Yes Test and or Reset Button: Yes… more

BRK First Alert -SC7010BV Carbon Monoxide & Smoke Alarm, Photoelectric

Brand Name: First Alert Power Type: Hard-Wired with Battery Back-up Sensor Type: Electrochemical/Photoelectric Product Type: Smoke and Carbon Monoxide Alarm Packaging Type: Boxed ETL Listed: Yes CSA Listed: No UL Listed: Yes Test and or Reset Button: Yes… more

First Alert Plug-in Electrochemical Explosive Gas & Carbon Monoxide Alarm in Gray | 3 H x 5.6 W x 1.5 D in | Wayfair 1039760

This plug-in electrochemical explosive gas and carbon monoxide alarm features a backlit digital display, this explosive gas, and CO detector plugs into any AC outlet with no additional mounting hardware needed. | First Alert Plug-in Electrochemical... more

Talking Smoke Co Alarm - 1 Each

Combination carbon monoxide/smoke alarm. Features programmable voice that will alert the location of the unit and the danger detected. more

First Alert Plug-In Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.4 D in | Wayfair 1039734

This First Alert Plug-In Electrochemical Carbon Monoxide Alarm features an electrochemical CO sensor to alert you to dangerous carbon monoxide. This personal carbon monoxide detector plugs into any standard electrical socket to monitor CO levels in... more

First Alert Battery Photoelectric Smoke Alarm in Gray | 5.13 H x 5.13 W x 1 D in | Wayfair 1039856

The First Alert Battery Photoelectric Smoke Alarm, slim profile with escape light helps protect your home by providing up to a decade of uninterrupted monitoring. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect smoke... more

First Alert Battery Photoelectric Smoke Alarm in Gray | 5.25 H x 5.25 W x 1.19 D in | Wayfair 1039852

The First Alert Battery Photoelectric Smoke Alarm with battery helps protect your home by providing up to a decade of uninterrupted monitoring. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect smoke from slow-burning,... more

First Alert Hard-Wired Electrochemical Smoke & Carbon Monoxide Alarm in Gray | Wayfair 1039807

This First Alert Hard-Wired Electrochemical Smoke and Carbon Monoxide Alarm uses an electrochemical CO sensing technology and ionization sensor for smoke detection. It includes a 9-volt battery for continued function in the event of a power outage, and... more

First Alert Hard-Wired Ionization Smoke Alarm in Gray | Wayfair 1039830

This First Alert Hard-Wired Ionization Smoke Alarm with battery backup is designed to provide peace of mind. | First Alert Hard-Wired Ionization Smoke Alarm in Gray | Wayfair more

First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039871

This First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm has a slim profile, designed to blend more fully into the wall and out of sight. The battery-operated smoke and carbon monoxide detector alerts you to possible smoke or carbon... more

First Alert SC7010B Photoelectric Carbon Monoxide & Smoke Alarm, Backup

Highlights: 120 volt AC with battery backup (2 AA included) Single button test/silence Easy installation and maintenance End of life signal provides audible notification that alarms need to be replaced Gives optimum protection for smoldering fires and… more

First Alert Battery Ionization/Photoelectric Sensor Smoke Alarm in Gray | 5.4 H x 5.4 W x 1.12 D in | Wayfair 1039828

The First Alert Battery Ionization/Photoelectric Sensor Smoke Alarm provides early warning of both flaming and smoldering fires. Additionally, its intelligent sensing technology is designed to cut down on nuisance alarms from cooking smoke or other... more

First Alert Hard-Wired Thermistor Heat Alarm in Gray | 5.7 H x 2 W x 5.5 D in | Wayfair HD6135FB

This Hard-Wired Thermistor Heat Alarm is a great add-on for crawl spaces, laundry rooms, garages, bathrooms, kitchens, or other applications not suitable for smoke alarm installations. Features advanced rate-of-rise sensing technology. The alarm sounds... more

BRK First Alert - SA350B Smoke Alarm - Dual Ionization Sensor

The First Alert SA350B is a smoke alarm with a 10-year lithium battery. Featuring an ionization smoke sensing chamber which may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. more

First Alert Plug-in Carbon Monoxide Alarm in Black | 2.25 H x 6.75 W x 8.25 D in | Wayfair FAT1039730

The product utilizes an electrochemical carbon monoxide sensor that lasts for up to 5 years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere. When carbon monoxide levels become... more

First Alert Photoelectric Smoke & Carbon Monoxide Combo Alarm in Gray | 1.25 H x 6.75 W x 8.5 D in | Wayfair FAT1039868

The product helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smoldering fires and elevated carbon... more

First Alert Battery Ionization / Photoelectric Sensor Smoke Alarm

Brand Name: First Alert Power Type: Battery Sensor Type: Ionization / Photoelectric Sensor Product Type: Smoke Alarm Packaging Type: Clamshell UL Listed: Yes Test and or Reset Button: No Number in Package: 1 each Detects Carbon Monoxide: No *Requires 2… more

First Alert Carbon Monoxide Alarm, BRK Carbon Monoxide Detector

The BRK Model CO250B is a basic carbon monoxide alarm designed to provide early warning of the presence of carbon monoxide. more