Features: Detect combustible gas leaks instantly with high sensitivity sensors, featuring three alarms (audible/visual/vibration) to ensures rapid hazard identification for methane, propanes, and other gases. Crafted in rechargeable 3.7V 400mAh lithium battery provide 8 hour continuous operation, pair with a delicate 67g ABS body for effortlessly portability in dynamic environment. Ideal for homeowners, vehicles users, field engineers, and maintenance crews requiring reliable gas detection across residential, industrial, or mobile setting. Safeguards kitchens, laboratories, pipelines, and confined space by pinpointing gas sources in realtime, even during night inspections or prolonged industrial monitoring. Multiple gas compatibility covers natural gas, LPG, and methane leaks, delivering multifunctional protections for restaurants, utility maintenance, and child occupied households. Specifications: Material: ABS Size:Approx. 170x28x31mm/6.69x1.10x1.22inches Technical parameters: Sensitivity 50ppm | Charging voltages 3.7V Package Includes: 1Set Charging Model Combustible Gas Leak detectors note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.