First Alert SA710CE Wireless siren White siren

Photoelectric Smoke Alarm General Purpose - SA710CE -General use smoke alarm for bedrooms and living areas.
-Advanced photoelectric (optical) technology, with patented ceiling entry smoke system, for faster smoke detection.
-Sliding battery draw with locking pin for safe and easy battery installation and replacement.
-Equipped with test button and “hush” button to stop nuisance alarms.
-Sensory chamber has added benefit of mesh and unique antidust coating to protect against dust and insects.
-30 day low battery warning.
-LED light to indicate standby and alarm mode.
-Easy to install with 9V battery (with a minimum of 1 year life) and fittings included.
-Loud 85 decibel alarm.