Features: The gas monitors gas detector is a 4 in 1 device capable of detecting co, h2s, o2, and combustible gases (lel) with high precise and sensitivity. Crafted from abs materials, this gas detector features a lightweight ergonomic designs and a backlits segment lcd display, ensuring clear visibilities even in low light conditions. For professional in the petroleum, chemicals, metallurgy, and oil refining industry, this gas detector provide essential safety monitoring in hazardous environment. Perfect for use in industrial setting, this gas detector offers various functions including gas monitoring, and customizable alarm setting to ensure comprehensive safety management. The gas monitors gas detector is a indispensabled tool for maintaining safety standards and preventing accidents in the workplace. Specifications: Component:ABS Size:Approx.6.44x11.4cm/2.54x4.51inch 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 color of the item. Thanks for your understandings.