Kidde NightHawk 900-0230 Carbon Monoxide Alarm, 30 to 999 ppm, +/-30 % Accuracy, 4 to 15 min Response, 85 dB, White

The Kidde 900-0230 (model KN-COPP-B-LS-CA) is a 3AA, battery operated carbon monoxide alarm which includes a digital display feature and 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 900-0230 is suitable for all living areas and has a 10 years limited warranty.