Product Name: combustible gas detector brand: Shuang'an Model: RJ-300 simple description: RJ-300 Yuk handheld gasoline detector, procurement intelligent design, built-in micro CPU processing chip, imported special sensors that can detect liquefied cuttings leak, with high sensitivity, stable, long life, low power consumption. Use high-performance rechargeable lithium battery, small size, high energy intelligent zero design, built-in automatic calibration procedure 3 advanced micro-processing technology, intelligent design sensitive high effective detection of micro-leakage leakage points