Equipped with internal self-testing components that are always checking to ensure the device is operating as expected while photoelectric sensing technology provides state-of-the-art smoke and fire detection giving you peace of mind. Operating on 2 AA batteries included the battery-operated smoke carbon monoxide detector also features LED warning lights in conjunction with an 85 decibel alarm that alert you to various status: a green light means the unit is in proper working operation an amber light indicates an operating error and a red light indicates a smoke fire or carbon monoxide incident. The test-hush button allows testing of the alarm while the hush button allows for temporary silence of the alarm. UL Certified.
- expands detection via hardwired connections to other Kidde smoke alarms so when 1 alarm sounds they all do Easy to Install
- simple quick installation in 4 orientations mounting bracket included 120V AC hardwired with 2 AA battery backup included
- easily test and hush nuisance alarms with the push of a button 10 Years of Detection
- device notifies when its time to replace your unit LED warning light indicators