1、[Wide Detection Range] The gas leak detector detects a wide range of combustible gases, ensuring safety in residential, commercial, and industrial environments. 2、[LCD Backlit Display] The gas detector features a large LCD screen and backlit display for easy operation and reading, provides efficient feedback with analog bar, buzzer, and vibration. 3、[Sensitive and Reliable] The gas tester quickly detects gas leaks with a sensitive semiconductor sensor, accurately identifying concentrations for prompt response. 4、[Immediate Alert System] The combustible gas analyzer notifies users with display indications and an escalating alarm, enabling quick action. 5、[Portable Design] The lightweight and sturdy ABS material used in gas detector ensures easy handling and transport. With a clip design, easily clip it on your pocket for carrying. Item Type: Gas Leak Detector Material: ABS Battery: 1.5V AAA battery x 2 (without) Response Range: 100-5000PPM Display: LCD Display Sensor: Gas Sensitive Semiconductor Alarm Mode: Visible Audible 1 x Gas Leak Detector 1 x Instructions