Features: 1Rugged and durable made of high quality ABS material no passivation lower power consumption and longer service life. 2Single chip microcomputer intelligent control self detection prevent false alarms prevent false alarms and are stable and reliable. 3It can be used alone or connected to the solenoid valve/manipulator control system with sound and light alarms and automatic reset. 4It is safe to use and easy to install. It prevents gas poisoning. The natural gas alarm is flexible in installation and will not alarm within 2 to 3 minutes after power on. 5The scope of application is wide and the gas leaking detector can sense coal gas natural gas and liquefied petroleum gas. Specification: Item Type: Gas DetectorMaterial: ABSWeight: Approx. 157g / 5.5ozProduct Size: Approx. 11x6.5x4cm / 4.3x2.6x1.6inCable Length: Approx. 140cm / 55.1inDetection Angle: 360 AngleStatic Power Consumption: <2WWarm Up Time: 120SAlarm Mode: Network output sound and light alarm wireless signal 315MHZAlarm Concentration: Liquefied gas 0.1%-0.5%; natural gas 0.1%-1%; city gas (H2) 0.1%-0.5%; carbon monoxide 0.1%-0.4%Gas Response Recovery Time: 30s; Carbon monoxide response recovery time: 200sAlarm Volume: 70dBWorking Environment: Humidity 97%RH; temperature -15-+50Transmitting Frequency: 315MHZLaunch Distance: Open distance 100 metersEncoding Chip: PT2262Oscillation resistance of encoding chip: Approx. 1.5m / 4.9ftScope of application: Home office hotel factory Package List: 1 x Gas Alarm1 x Screw1 x Expansion Screw Note: Dear customer please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard for ensuring its normal use.