DUOYI DY80 Portable Gas Leak Detector - Butane, Propane, Methane, Flammable Gas Analyzer

This gas alarm is designed to detect natural gas, liquefied gas, odorated flammable gases, etc. It features a planar semiconductor sensor, a warm-up time of less than 25s, an alarm frequency of 2.713KHz/100ms, a sound and light alert, and is powered by 2 x AA batteries (not included). The size of the alarm is 230 x 30 x 30mm.