Quick Info M40, a versatile multi-gas monitor capable of detecting CO, H2S, O2, and combustible gases for a wide variety of hazardous and confined space applications. 1 to 4 gas monitoring for O2, H2S, CO & combustible gases 18-hour runtime with lithium-ion battery Includes vibrating, 90 dB audible, and LED visual alarms Two-year, all inclusive warranty Enquire Now
