Description 1[Protect Safety] Can detect the main deadly gas: natural gas (methane) to protect your safety 2[Accept Wireless Environment] Can connect with mobile app in wireless environment. After connection, you can receive alarm information at any time when you go out and in case of alarm 3[Accurate Display] The LCD screen displays accurate and realtime gas readings, allowing you to know the exact gas concentration in the air at home at any time 4[Rugged and Durable] Made of high quality ABS material, not easy to damage, long service life, and long term use 5[Easy to Read] With high definition digital display color screen, data reading is more accurate, and the measured data is trustworthy Item Type: Gas Tester Material: ABS Voltage: 5V Operating Current: 1A Applicable Gas: Methane (Natural Gas) Working Environment: Temperature: - 10-55, Humidity:1 xGas Tester 1 x USB Power Cord 1 x User Manual 1 x Connecting Wire 2 x Expansion Nail 2 x Screw