Detecting gas:Combustible gas, such as natural gas, LPG and coal gas
Detecting range:0-100% LEL
Sampling method:Diffuse naturally
Working condition temperature:-40-70
Humidity:Less than 95% RH
Power source:DC 3V (2 PCS AA batteries)
Battery life:6 hours when no working, 5 hours when voltage is low
Working electric current:140mA on average
L-alarm:20% LEL
H-alarm:50% LEL
Response time:Less than 10S
Resume time:Less than 10S
Alarming method:Visible and audible
Alarming sound:Greater than 50dB