1)Power supply: DC12V
2)Current: 100mA
3) Operating Temperature: -10-+50C
4) Ambient Humidity: Less than 95% RH
5) Buzzer Level: 75db at 10 feet
6) Weight: 94g
7) Alert Concentration: LPG- 0.1 - 0.5%
Natural gas: 0.1 -0.3%
Piping Coal gas: 0.1 -0.5%
8) Trigger Time: 20s
9) Standby Mode: Green LED on, Alarm Mode: Red LED flashes and an acoustic alarm
10) box size: 7.5cmx9.5cmx3cm