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.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.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.WI-FI/BT Standard:802.11b/g/n, (channel 1-14), support BT 4.2 low energyWIFI Frequency:2.412-2.4835GHzDisplay:1.4inch TFT LCDPower Supply:USB type-C 5V/1AMethane(natural gas) Range:0-99%LELCarbon Monoxide Range:0-1000PPMWorking Environment:-9-55,Less than 90%RHAlarm Linkage Output:DC5VPlease check as much as possible to make sure the item is what you need.Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use.Version:A:Ordinary VersionWorking Current:170mAAlarm Mode:Sound (Buzzer)/Version:B:WIFI VersionWorking Current:210mAAlarm Mode:Sound (buzzer) and mobile pushColour:WhiteMaterial:PlasticPackage Contents:1 * Gas DetectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.