Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Interconnect Combination Smoke & CO Alarm, Voice Alert

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
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
UL Certified, 10-year limited warranty