Combustible Gas Detector Alarm Digital Combustible Gas Detection Instrument Gas C2 Gas Alarm, with 1.4 inch TFT full color LCD display, can detect methane (natural gas), petroleum liquid and carbon monoxide data, can also be appropriate to detect smoke. Monitor the current environment whether there is a leak or exceed the limit, once detected leakage, the product will have alarm sound alert and cell phone APP message alert (WIFI version).WIFI version can be remote monitoring data, users only need to network the product to realize intelligent monitoring. Product Characteristics The product appearance is beautiful and atmospheric, the body adopts three-dimensional square design, comfortable grip, flexible buttons, the overall proportion of balanced, simple and intuitive interface, can be suitable for kitchens, bathrooms, gas rooms, gas pipelines, and other indoor or outdoor environments; Specification Product Name ： Combustible Gas and Carbon Monoxide Alarms Model : C2/C2-WIFI（Connect to your cell phone and use the "Tuya Smart" app.） Color :White Display : 1.4 inch TFT full color LED backlight LCD screen Methane (gas) measuring range: 0-100%LEL Carbon monoxide measurement range: 0-1000PPM Display size: 28.1mm * 32.64mm * 2.43mm Display resolution: 128(3RGB)*128 Dimension: 65mm*65mm*30mm Weight :41g WI-FI/Bluetooth Standard:802.11b/g/n, (Channel 1-14), support Bluetooth 4.2 Low Energy WIFI frequency: 2.412~2.4835GHz Interface: USB type-c 5VDC/1A interface Power supply: Must be plugged into an external DC5V power supply, the product does not have a built-in battery Instructions for use 1 Power on and off: The product can be powered on to use, plug in the USB type-c 5VDC can be powered on to use, disconnect the product power off! 2 Function use After power on, the product shows "warming up", warming up is completed to enter the normal detection state, the gas value and carbon monoxide value are displayed as green "000", for the normal state. After 5 minutes of work, the product enters the screen saver state, and the brightness is minimized. 3 Product key function: When the product is in alarm state, press the key to eliminate the alarm sound. When the product is in the screen saver (low brightness) state, press the key to restore the display to normal brightness Product Packing List Host *1 USB type-C power cable *1 Instruction manual *1