Feature: 1. Combustible gases, such as methane and natural gas, can be detected. 2. It uses high sensitivity gas sensitive semiconductor and high performance microprocessor. 3. Low power consumption. Long life. Sound and light alarm. 4. Portable, high quality, fashion, constant temperature detection technology using sensitive sensor. 5. Prevent problems before they occur and detect leaks quickly. 6. It is suitable for kitchen gas, canned gas, natural gas, gas pipe network, flange gas station,etc. Specification: Range:0-1000ppm Detecting gas:combustible gas Accuracy:<=10% FS(methane) Sensitivity:Response Time:Warm-Up Time:Approx. 30 sec Display: Concentrator indicator Alarm mode: audible and vibration Auto Power Off:Yes Low battery indication:Yes Battery: 2 * 1.5 AAA (not included) Packing included: 1 * Combustible Gas Detector