Accurate Detection for Multiple Gases: This portable combustible gas detector is designed to identify methane (CH4), butane (C4H10), and other gases with precision. The sensitivity range of 100-9999ppm ensures reliable performance in diverse environments. Adjustable Sensitivity Levels: Equipped with high, medium, and low sensitivity modes, this gas tester adapts to different detection scenarios. The default settings (3000ppm for high sensitivity and 2000ppm for low) easy to customize for your specific needs. Enhanced Safety with Sound and Light Alarms: The gas leak detector features a built-in buzzer and LED indicators that provide clear alerts in case of gas leakage, ensuring a safe environment at all times. Flexible and Portable Design: The 360 adjustable probe allows for gas detection in hard-to-reach areas. With its and compact build, this gas detector is easy to carry and operate, whether or on industrial sites. USB Rechargeable with Long Battery Life: Powered by a lithium battery, this device supports USB fast charging, offering extended use and convenience. Ideal for frequent testing Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:ABS Package Contents: 1 x combustible gas detector(Without 4xAAA batteries,You need to prepare yourself) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.