Best Poisonous Gas Detector

The Roaring Silence: John Cage: A Life

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device.
24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test).
Easy installation mounting bracket included for quick installation in 4 orientations.
Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide.
LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event.