Feature: 1. Premium Material: Combustible gas detector is made of premium ABS material, wear resistant, anti aging, sturdy and durable. 2. Function: Gas tester for detecting combustible gas leak, including methane or natural gas, propane, ethane, toluene, ketone and other flammable gases. 3. Excellent Performance: Sound and light leakage alarm, adjustable sensitivity, instant response, precise location of leakage and low power indicator. 4. Portable Design: Portable gas tester can be taken anywhere, lightweight and compact size, will not take up too much space, convenient for using. 5. Wide Application: Gas detector can be used in household, industrial and auto repair factories, prevent accidents by detecting gas leaks. Specification: Item Type: Gas Leak Detector Material: ABSDetection Gas: Combustible gas Sensitivity: Adjustable, minimum 50 PPM (methane) Alarm Mode: Sound and light alarm Response Time: Instant Battery: 3x1.5V AA battery (shipped without battery) Warm Up Time: < 20 seconds Continuous Operation Time: 9 hours (slightly different due to working conditions) Operating Temperature: 0-50℃, Relative Humidity ≤80% Storage Temperature: 10-60℃, Relative Humidity: 0-90%Application: Suitable for all kinds of scenarios, factories and garages , universal . Package List: 1 x Gas Leak Detector1 x User Manual