Features: Featuring a high accuracy sensors sand sound & LED alarm systems, this gas sniffers offer easy installation and reliable performances for detecting combustible gases. Equipped with a high sensitivity sensors, this gas sniffers offer realtime detection and easy operation, making it a essential tool for maintaining air quality in any environment. Ensure safety with the digital combustible gas detector, for precise measurement of combustible gas concentrations. For factory workers, laboratory technicians, construction site personnel, and homeowners who require monitoring of combustible gas level. Suitable for use in petroleum refineries, coal mines, natural gas pipelines, and household kitchens to ensure safe production and living environment. Specifications: Component:ABS Size:Approx.13x7.3x3.3cm/5.11x2.87x1.29inch Color:Black Package Includes: 1pcs Gas Detector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.