Features: It can detect methane (natural gas), petroleum liquid and carbon monoxide data. Monitor whether there is leakage or exceeding the standard in the current environment. Once a leak is detected, it will have alarm voice alerts and mobile APP information alerts (WIFI version). The WIFI version can remotely monitor data, you can achieve intelligent monitoring by simply connect the product to the network. Simple and intuitive interface with 1.4 inch TFT full-color LCD display. beautiful appearance and the body is designed as a three-dimensional square, comfortable to grip. Suitable for kitchen, bathroom, gas room, gas pipeline, and other indoor or outdoor environments. Specifications: Version: Ordinary Version or WIFI Version (Optional) Working Current: Ordinary version: 170mA WIFI version: 210mA Alarm Mode: Ordinary version: Sound (Buzzer) WIFI version: Sound (buzzer) and mobile push Material: ABS Display: 1.4andquot TFT LCD Power Supply: USB type-C 5V or 1A Methane(natural gas) Range: 0-100 percent LEL Carbon Monoxide Range: 0-1000PPM Working Environment: -9-55, andlt 90 percent RH Alarm Linkage Output: DC5V WI-FI or BT Standard: 802.11b or g or n, (channel 1-14), support BT 4.2 low energy WIFI Frequency: 2.412-2.4835GHz Item Size: 65 x 65 x 30mm or 2.56 x 2.56 x 1.18in Item Weight: 41g or 1.45oz Package Weight: 93g or 3.31oz Package Size: 11 x 10.5 x 3.8cm or 4.33 x 4.13 x 1.50in Package List: 1 x Gas Detector 1 x Type-C Cable 1 x Manual (English)