Loud voice alarm indicator - uses voice alarm to announce "Fire! Fire!" or Warning! Carbon Monoxide!" warnings
Smoke/fire and carbon monoxide protection combines two important types of safety alarms in one unit
Test/reset button tests unit's electronics and silences alarm
Low battery indicator - unit chirps once, voice announces "Low battery!" and red LED light flashes
Easy installation - adjustable mounting bracket included
Extra sensitive carbon monoxide detection - utilizes state-of-the-art electro-chemical sensor technology
Battery included