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【Combustible Gas Leak Detector】 TOPTES PT177 is a useful little tool that helps every household who has gas appliances to quickly and easily pinpoint leakage of combustible gas including LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc. It will save a ton of time and potentially reduce energy bills

【Easy to Use, Visual & Audible Alarm】 All you have to do is load the provided batteries, let PT177 gas detector finish its 30-second automatic calibration process, and then point near where you suspect the leak to be (hold it a couple of centimeters away). PT177 detects gasses and alarms almost immediately within 0.5 to 3 seconds. Five red LEDs (visual) and 75dB audible alerts that increase with gas concentration

【Compact Design】 Pocket-sized with a pocket clip that allows you to carry it in your shirt pocket. The included storage bag makes the natural gas detector easy to store. It is an excellent tool for RV-ers, DIY-ers, homeowners with gas appliances, etc. It's very convenient and perfect for regular safety checks

【User-Friendly Features】 When the battery voltage is below 2.4V, the power indicator light will flash to remind you to replace the battery in time. If inactive for 5 minutes without operation or detecting gas, PT177 will automatically turn off. Detection range: 50 to 1,000 ppm* (*based on Methane)

【What You Get】1x PT177 Gas Leak Detector, 1x Drawstring Carry Bag , 2x AAA Batteries, and 1x User Manual. Combined with Amazon's excellent delivery service, we provide a 36-Month after-sale service and lifetime technical support. Please feel free to contact us if you have any questions or concerns