Features: The Combustible Gas Detectors offers precise detection of multiple flammable gases, ensuring safety in various environment. Equipped with a high sensitivity sensors and alarm function, this gas analyzers features a lightweight design for easy portability. Ideal for home users, industrial safety personnel, firefighters, and environmental monitoring professional. Perfectly suited for use in kitchens, home, factory workshops, pipelines, and gas stations where flammable conditions may exist. Make from ABS material, it is a reliable tool in the category of gas analysis instrument, providing peace in potentially hazardous situations. Specifications: Material: ABS Measurement Ranges: 50-1000PPM(Methane) Pre-Heating Time: About 35 second Alarm: Sound, Indicator, Screen Display Working Temperature: 0-50℃ Battery: 2xAAA Battery Requires(NOT Include) Length: About. 180.8mm/7.11in Package Includes: 1 Set Natural Gas Leak Detectors note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.