High-quality: Made of premium material, can be bent arbitrarily, easier for long-distance detection, rapid detection of pipeline gas leakage ANENG Multi-domain use: Quickly detect combustible gas leaks, giving you and your family more safety Pipeline as a leak: Gas leaks are detected along the pipeline, screens are green with no rising index grid and alerts are for safety Bendable hose: Using metal material, it can be bent arbitrarily, making long-distance detection more convenient Compact and portable: Handheld size design, this gas detector is convenient to carry out Specifications: Sensor: Gas Sensitive Semiconductor Battery: 2 1.5V AAA batteries (not included) Detection range: 300-10000PPM(Methane) Adjustable sensitivity: H high sensitivity / L low sensitivity Response Sensitivity: <50ppm(Methane) Operating environment: 0~50℃/20~80%RH Warm-up time: about 30 seconds Storage environment: -10~60℃/20~80%RH Alarm mode: Analog bar display on screen, beep sound prompts Response time: <=500PPM: about 5 seconds; >500PPM: about 2 seconds