Feature
This products don't contain battery,pls indicate if you need.
Technical parameter
●Operating voltage:3AA 1.5 battery ●sensitivity&time:50ppm,alarm within 60-90minutes 100ppm,alarms within 10-40minutes 300ppm,alarms within 3 minutes ●standby current:≤10uA(without LCD) ;≤15uA (with LCD) ●alarm current:≤25mA ●opreation Ambient condition:5-400c ,20-90%RH