1.Operating voltage:3AA size 1.5V batteries

2.sensitivity&time:50ppm,alarm within 60-90minutes 100ppm,alarms within 10-40minutes

300ppm,alarms within 3 minutes

3.standby current:≤10uA(without LCD) ;≤15uA (with LCD)

4.alarm current:≤25mA

5.opreation Ambient condition:5-400c ,20-90%RH

6.Product weight:0.13kg/pcs

7.size:100mm*38mm