Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin Yes, Battery Size AA, Communication Protocol Wireless, Compatible With Not Applicable, Detector Type CO Detector, Includes Not Applicable, Number of Tandem Detectors 24, Power Source Hardwired, Sensor Type Electrochemical, Visual Alert Type Green LED, Red LED, Volume Level 85 dB @ 10 ft, Alarm Setting 30 ppm, Alert Type Sound, Battery Backup No, Detects Smoke Interconnectable with smoke alarms, this CO alarm features 2 different sounding patterns to differentiate between smoke and carbon monoxide warnings. 85dB horn sounds when sensor detects high levels of CO. Operating temp.: 40 Degrees to 100 Degrees F.
eBay