Smart Sensor AP388 Gas Leackage Detector with Alarm Gas Tester LPG and NG Detector

Sound & Light Dual Alarm: when the gas detector senses that combustible gas content exceeds the 500PPM , it will beep sounds and red L-ED lights up to warn.
One Button for Use: you just need to power on, wait its self-test/warm up, ready for use, put the gas detector near test position, finally judge gas leakage result with L-ED indicator and beep sound, very easy.
Light Weight, Portable Size: pen type design gas detector, comfortable to grip, with solid durable shell, not heavy, not big, can be easily stored or conveniently taken to anywhere, used anytime.
Wide Range Of Application: this gas detector, powered by 2 × AA , features precise detection to reduce of gas leak, energy-saving auto-off, suitable for gas pipelines' maintenance, household use, etc.

Specifications:
Material: Plastic 
Color: Black
Detection Gas: Natural Gas (GAS-CH4), Liquefied Gas (LPG)
Self Detection After Turn On: ＜25s
Response Time: ＜20s
Detection More Than 500PPM (CH4 Methane): Red L-ED Light
Triggered Indicator: Red L-ED Light, Beep Sound
Malfunction Indicator: low L-ED Light
Low Indicator: Flash Green L-ED Light
Working : 0℃-40℃
Working Humidity: Relative Humidity 10%~90%RH
Power Supply: 2 * 1.5V AA (NOT Included)
Item Size: 263*36*36mm / 10.35*1.41*1.41in
Item Weight: 60g / 2.11oz