Voice warning with location, voice tells what the danger is and its location. Direct wire-in AA battery backup, hardwired with battery backup for protection during power outages. Latching alarm indicator, visually identifies unit that initiated alarm or low battery. Advanced smoke protection, advanced sensing technology for early warning and less nuisance alarm. Test/Silence Button, temporarily silence or test the alarm with one-touch, easy access button. Works with SC5 Smart Alarm.
Additional Info: Includes easy adapter plug and two AA batteries.