GZAIR Wi-Fi Carbon Dioxide Meter w/ Smoke Alarm, Temperature, & Humidity Sensor - .81

GZAIR 3 Portable Indoor Temperature & Relative Humidity Carbon Dioxide Detector - .58

Create the perfect environment in your with the GZAIR 3 Portable Indoor Temperature and Relative Humidity Carbon Dioxide Detector. ... more

GZAIR 1T Portable Indoor Temperature & Relative Humidity Carbon Dioxide Detector - .71

Create the perfect environment in your with the GZAIR 1T Portable Indoor Temperature and Relative Humidity Carbon Dioxide Detector. ... 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

Google Nest Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) S3003LWES

Free Shipping! Google Nest Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) Smart Smoke and CO Detection, Receive Alerts on Smart Devices, Detects Fast & Slow Burning Fires, Wired Installation with Battery Backup, Wi-Fi & Bluetooth... ... more

Google Nest Protect Battery-Powered Smoke and Carbon Monoxide Alarm (White, 2nd Generat S3000BWES

Free Shipping! Google Nest Protect Battery-Powered Smoke and Carbon Monoxide Alarm (White, 2nd Generation) Smart Smoke and CO Detection, Receive Alerts on Smart Devices, Detects Fast & Slow Burning Fires, Powered By Six AA Batteries, Wi-Fi & Bluetooth... ... 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

MIFXIN Smoke & Carbon Monoxide Alarm (battery Powered) in Black/Gray | 1.496 H x 4.133 W x 4.133 D in | Wayfair ZL-112-0901

When the unit detects the carbon monoxide gas concentrations more than 100 PPM, it will alarm, and the buzzer will make sound "di" four times at every 5 seconds, the red light flashes, and continue alarming. Please open the windows and doors, then call... ... 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 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

Smoke Alarm Detector

Product details Functional Features：WiFi-Smoke&Carbon Monoxide Detector. Real-time display of gas environment status allows you to react quickly.Microprocessor Intelligent Recognition. Intelligent identification of toxic gases. ... more

First Alert Photoelectric Smoke & Carbon Monoxide Detector in Gray | 6.25 H x 6.1 W x 9.25 D in | Wayfair 1040957

6 pc 10YR Battery Photo Smoke/CO Alarm - The First Alert Ten-Year 2-in-1 photoelectric smoke detector with carbon monoxide alarm features our new slim design and maximum protection. It's protection at its finest and lasts a full 10 years without the... ... more

First Alert Smoke & Carbon Monoxide Detector, Wood in Black | 6.2 H x 12.3 W x 6 D in | Wayfair SC9120B6CP

6 pc Hardwire Ion Smoke/CO Alarm Contractor Pack - The BRK SC9120B hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless, deadly gas. It can be emitted by sources... ... more

First Alert Electrochemical Smoke & Carbon Monoxide Detector in Black | 8.45 H x 6.75 W x 3.55 D in | Wayfair 1042107

This hardwired combination smoke and carbon monoxide detector includes a 9-volt battery backup that continues to protect you in the event of a power failure. The alarm features electrochemical CO sensing technology, an ionization sensor for smoke... ... more

First Alert Photoelectric Smoke & Carbon Monoxide Detector in Black | 8.45 H x 6.75 W x 2.55 D in | Wayfair 1039783

The First Alert PRC700 Smoke and Carbon Monoxide Alarm has a slim profile, designed to blend more fully into the wall and out of sight. It offers the same functionality you expect from First Alert with a new design that takes up less space. The... ... more

First Alert Smoke & Carbon Monoxide Detector in Black | 8.5 H x 6.7 W x 3.6 D in | Wayfair 1044807

This easy-to-install First Alert Z-Wave smoke and carbon monoxide alarm is designed for compatibility with certified First Alert enabled Z-Wave devices. It can send you mobile alerts in the event of an emergency and includes an insect-screened... ... more

Wireless Interconnect Battery Operated Combo Alarm w/ Voice & Location

Product details The Wireless Interconnected Smoke and Carbon Monoxide Alarm with Voice and Location detects both smoke and carbon monoxide. ... more

Smoke Detector

Product details is combination smoke &wifi alarm.The wifi smoke & co combo wireless detector alarm is powered by two 1.5V AA battery. wifi Dual Sensor Fire and Carbon Monoxide Alarm also contains a voice message system and Control to temporarily silence… ... more

First Alert Carbon Monoxide Detector in Black | 5.85 H x 5.7 W x 2.5 D in | Wayfair SCO2B

The BRK SCO2B battery powered smoke and CO combo alarm is powered by a single 9V alkaline battery. It is tested and silenced by a single button. Electrochemical carbon monoxide sensor is the most accurate. It also includes a dust cover to help to... ... more