Advanced long-life state-of-the-art sensor;No costly sensor replacement;Loud 85 decibel alarm alerts you even if you are sleeping;Test/Reset button test unit's electronics and silences sounder alarm;Never needs recalibration

• Kidde 900-0058-04 Nighthawk Carbon Monoxide Detector

Kidde 900-0058-04 Nighthawk Carbon Monoxide DetectorKidde