Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Photoelectric Sensor 3 Pack (3 Pack)

Smoke and carbon monoxide detectors should be installed in a central location outside each sleeping area, on every level of the home and in other locations where required by law Reduces nuisance alarms by adjusting smoke sensitivity when carbon monoxide is not detected to better discriminate between a real hazard and a false one 10-year lithium ion battery is sealed into the alarm and cannot be removed, preventing unwanted tampering and ensuring your alarm is always on No hardwire installation required Smart hush feature temporarily silences nuisance alarms Kidde 2464311 10-Year Sealed Battery Smoke And Carbon Monoxide Combination Detector