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 The Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Interconnect Combination Smoke & CO Alarm with Voice Alert, model KN-COSM-BA, is powered on 2-AA batteries, to protect during a power failure. Using ionization sensing technology, the combination smoke alarm detects smoke, fire, & carbon monoxide gas and warns with alarms, LED lights, & voice technology. For CO detection, the alarm will sound with 4 fast beeps and "warning carb