1、High Sensitivity: Portable methane detector adopts highly sensitive metal oxide MOS sensor with high sensitivity. 2、Alarm Function: Portable natural gas detector has sound and 3 color light, variable tone alarm tone and multi color alarm indicator light allow you to easily distinguish changes in concentration. 3、Small Portable: Portable propane gas detectors have a compact design, hand held design, easy to use, small and portable. 4、Ease of Use: Portable propane gas detectors are easy to use, no complicated procedures are required, and they can be used quickly after powering on. 5、Wide Application: Handheld natural gas detector is suitable for a wide range of situations, such as restaurants, home kitchens, gas pipelines, agricultural medicine, metallurgical industries, etc. Item Type: Handheld Natural Gas Detector Material: ABS Battery: 2 x AA Batteries (Not Included) Battery Idle Shutdown Time: ≈ 5 Minutes High Alarm Value: 2000ppm Low Alarm Value: 500ppm Response Time: Instant Warm up Time: 15-30 Seconds Weight: Approx. 115g / 4.1oz 1 x Handheld Natural Gas Detector 1 x User Manual