4 in 1 O2 H2S Carbon Monoxide CO Flammable Gas Analyzer Monitor Toxic Gas and Harmful Gas Leak Detector, color: blue Description: 2.4 Inch LCD display Detection shows: temperature, time, O2, EX, H2S, CO Detection Method: diffusion display Unit Switch: ppm, mg/m3 Alarm mode: sound, light, vibration, display Power: rechargeable 3.7V li-ion battery Charging time: <7 hours Battery working time: > 8 hours (continuous work) Working temperature: -20~50'C Explosion -proof mark: Exib IIB T3 Gb Waterproof grade: IP65 Record storage: 500 groups of alarm records Bosean Gas Analyzer Monitor is a tool for 4 in 1 O2 H2S Carbon Monoxide CO Flammable Gas Analyzer Monitor Toxic Gas and Harmful Gas Leak Detector the inerting or filling of tanks/ pipes as well as being a personal multigas monitor for users. This portable gas detector offers integrated innovative safety features with a rugged design to provide advanced protection for those working in harsh environments. ...