The Solaris Multigas Detector is an economical four-gas instrument providing simultaneous detection of CO, O2, H2S and combustible gas. One of the smallest, lightest four-gas monitors on the market, the Solaris Multigas Detector from MSA is ergonomically designed, weighs less than 8 ounces and is comfortable enough to be worn all day. Easily configured to detect up to four gases simultaneously, the detector features a triple alarm system with high-intensity, high-visibility alarm lights; an audible alarm of more than 100 dB; and a strong vibrating alarm.