【Prevent Gas Explosion】- Our gas detector can real time monitor and show the gas concentration on screen (0 ~ 20 % LEL). 85db sound "di, di, d....." alarm and flashing light will be triggered immediately once over 5% LEL gas leakage be detected. 【Combustible Gas Detection】- The gas detector is mainly used to detect natural gas(Main Components: Methane), liquefied gas(Main Components: Butane, Propane), and urban coal gas(Alkane, Olefin, Arene). 【Unique Design】- Professional design patent, Steel mesh material(Black Part), High quality OLED screen, USB powered(Can be used as handheld), Sleep mode(Save power to make backup battery standby 4~6 hours to protect families once mains failure). 【Easy-to-Install and Durable】- Plug-In design makes it super easy and convenient to install. Double-sided PCB, this detector is anti-mildew, anti-pest, and anti-corrosive. Flame-retardant ABS plastic, wipes clean easily. Use in the kitchen or in your camper. 【Warranty】- Ourjob gas detectors have CE & ROHS Certificates and China Compulsory Certificate. We offer 100% guarantee, any quality problems, you can refund within 30days., Weight: 0.275625 pounds, Manufacturer: YCD