Kidde Basic Battery CO Alarm

The Kidde Basic CO Alarm Battery provides a loud warning signal against the dangers of elevated carbon monoxide levels. Alarm also provides continuous monitoring of CO levels - even during power outages when AC-only units are not providing protection. The battery powered CO Alarm includes multiple mounting options allowing installation on a wall or tabletop. Five-year limited warranty.Power Source: 3 AA Batteries Sensor: Electrochemical Audio Alarm: 85dB at 10 ft. Temperature Range: 40°F to 100°F Humidity Range: 5%-95% relative humidity Size: 5 1/4" Diameter x 1 1/16" Depth Weight: .5 lbs Interconnect: No LED: Green, Normal/Red, Alarm Digital Display: No Warranty: 5 year limited