Features LED indicators and loud buzzer alerts that activate when concentration exceeds safe levels Warnings ensures immediate awareness of potential leaks This pen styles detector features a flexible probe for easy access to hard to reach areas like pipes, and water heaters Its compact design ensures use in various detections scenarios Operates on 2xAAA batteries (not included) with low power reminders and auto shutoff The bendable probe enhances versatility for tight or hidden spaces Equipped with advanced sensors, it high / low sensitivity modes to accurately identify traces leaks Quickly detects methane, ethanol, and other combustible with rapid response Effectively detects natural, carbon monoxide, acetylene, and more Ideal for home appliances, industrial equipment, and other leak prone environments, Manufacturer: APGLSXY