This is a Smart Sensor AS8800L, a handheld, portable tool designed to detect combustible gas leaks.It features a long, flexible 14-inch gooseneck probe that allows for accessing hard-to-reach areas to pinpoint leak sources.The device provides both visual and audible alerts, utilizing an alarm buzzer and light indicators to signal the presence of gas.It is powered by batteries, typically offering around 9 hours of continuous operation