Mini LCD Carbon Monoxide Detector CO Alarm Detector, fit for house, Car,trip，Comply with EN50291

Specification: Stardant: EN50291 Power Supply: 2 X 1.5V AAAsize batteries.(Not included) Sensor Type：Electrochemical Gas Detection Type：Carbon Monoxide(CO) Alarm Method: Sound,Lightalarm Sensitivity & Time: CO 50PPM,alarms within 60-90minutes CO 100PPM,alarms within10-40minutes CO 300PPM,alarms within 3 minutes Standby Current: <10uA; Alarm Current: <70mA Operation Ambient Condition:-10℃ ~550℃, 20~90%R.H. Atmospheric pressure:86kPa-106kPa,indoor use type Sound Level：≥85 dB at 1 meter (3.28 feet) Alarm Output：Audible and visual indication Sensitivity Error：±10% Product Weight: 60g Product Size: 62mm*28mm 3: What is included package? CO Alarm 1pcs User Manual 1pcs Some screws 2pcs Warming: (1): The Co alarm only for detecting presence of carbon mnoxide hazard and warn people to handle or evacuate,but cannot prevent the CO accurring.The CO alarm is no substitute for proper maintenance of your burning appliances. (2): The CO alarm is used to detect carbon monoxide (CO) gas only and Can Not be used as a fire smoke detector or carbon dioxide (CO2) detector. (3): When you use or buy it make read carefully. Thanks for attention for all.Thanks very much.