Lifesaver Combination Alarm/ Smoke and Carbon Monoxide [Voice Alarm

About this item Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery" Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire at 10 feet Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling