Kidde NightHawk 900-0233 Carbon Monoxide Alarm, 30 to 999 ppm, +/-30 % Accuracy, 4 to 15 min Response, 85 dB, White

Kidde 900-0233 (model KN-COB-B-LS-CA) is a 3AA, battery operated carbon monoxide alarm that uses electrochemical sensing technology to protect you and your family from the dangers of carbon monoxide. The battery operated CO alarm provides continuous monitoring of CO levels and includes multiple mounting options allowing installation on a wall or tabletop. The 900-0233 is suitable for all living areas and has a 10 years limited warranty.