Multi-gas detector with 18 sensor choices including PID, IR-CO2, IR-CH4, conventional LEL, oxygen and 15 different toxic gas sensors including Duo-Tox. Easily configurable. PID sensor monitors hundreds of known VOCs. 13 different electrochemical toxic gas sensors. Solid polycarbonate case with a TPE (rubber) overmold. Both Li-Ion and Alkaline battery packs offer up to 24 hour run times. Front and side mounted LED alarms are highly visible.