Power supply 3 No.5 batteries
The working range humidity is 4C ~ 38 ° C
Alarm sound 85dB (3m)
Alarm current < 80mA quiescent current: < 80ua
Low power alarm "chirp" - sound every 30 seconds, LED display: lb
Rated voltage: 220 V, 50 Hz
The alarm concentration is 50ppm. 60 ~ 90 minutes: 100ppm. 10 ~ 40 minutes: 300ppm. Three minutes
The static indication green LED flashes once every 30 seconds
Product size diameter: 100 mm * 38 mm
