FIRST ALERT PC910V Carbon Monoxide Alarm, 10 ft, LED Display, 85 dB, Alarm: Audible, Ceiling/Wall Mounting, White

The PC910V utilizes photoelectric nuisance-resistant technology to effectively decipher between serious and minor levels in smoke detection. Combine this with an electrochemical carbon monoxide sensor that sets an industry standard in identifying carbon monoxide and you have a quintessential alarm that excels on all fronts. Note: For residential applications.