Description Feature 1Main Application: This gas detector can be used for fast and reliable detection of flammable gas leaks in gas pipelines, a must have tool for professionals. 2Standard Production: Sensitive performance with a low power consumption, this gas detector has a long service life. 3Double Alarm: When the leakage of combustible gas is detected, the machine will beep and alarm, and the display has a red prompt. Easy for you to monitor. 4ABS Material: Made from premium ABS material, scratch resistance and impact resistance, not likely to deform, has excellent durability for long working hours. 5Easy Operation: Press the power button to switch on and wait for 30 seconds to warm up before use, long press the power button to shut down, the operation is simple and convenient.Item Type: Combustible Gas DetectorMode: HT60Material: ABSBattery: 1.5V AAA Battery (Without Battery)Application: Gas Concentration DetectionBasic Parameters:Sensor: Gas Sensing SemiconductorDetection Range: 50 to 1000PPM (Methane)Response Sensitivity: 50ppm (Methane)Detected Gas:Acetone, Acetylene, Alcohol, Ammonia, Benzene, Butane, Ethanol, Ethylene Oxide, Gasoline, Hexane, Hydrogen, Methane, Naphtha, Natural Gas, Propane, Solvents, etc.Warm Up Time: About 30 SecondsResponse Time:500PPM: About 2 SecondsAlarm Mode: Analog Display and Buzzer .wang-edit-text{ font-family:Arial important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xCombustibleGasDetector1 x Manual