Features: Keep safe with the ANENG Combustible Gas Detector! Detect gas leaks with its high precisions gas sensitive semiconductor sensor, ensuring accurate readings from 300~10000PPM. Features a double color display and alarm, providing both visual and alerts when gas concentrations exceed safety level. Its autooff feature saves power, making it convenient for long term use. Designed for professionals and homeowners alike, a must have tool for anyone concerned about gas leaks. Keep your family and property safe by quickly identifying and addressing potential hazards. Whether you're working in undergrounds pipelines or tunnels, ensures the safety of personnel in toxic gas leak situations. With its easy to use design and reliable performances, provides peace of mind various scenarios. From checking gas cylinders for leaks to detecting gas leaks in stove and water heaters, this versatile tool safety wherever you need it. Specifications: Material: ABS Measuring Range: 300-10000ppm Size: Approx. 170x25.5x32mm/6.7x1x1.26in Batteries: 2xAAA Batteries Needed(NOT Included) Package Includes: 1x Gas Sniffer note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.