Features: Brand new and high quality Detect and prevent gas leaks quickly with this high precisions combustible gases leakage detector. Compact and portable design with a clear LCD display and adjustable sensitivity for accurate measurement of various combustible gases. Suitable for homeowners, professionals, and industrial workers who need to ensure the safety of their surroundings by detecting and monitoring combustible gases. Suitable for wide ranges of applications including water heating devices, gas pipelines, industrial waste gases, oil station operations, and more. Staying safe and secure with the sound and light alarm function that alerts you to potential gas leaks, making it perfect for both residential and commercial use. Specifications: Material:ABS Color:White/Black Detection range:50-1000PPM(methane) Response sensitivity:<50PPM(methane) Storage environment:-10-60°C/20%-80%RH Power supply:2x1.5V AAAbattery Size:Approx.32.5x134.5mm/1.28x5.29inches Package Includes: 1x Gas Leak Detector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.