Providing protection from up to five potential atmospheric hazards including oxygen, combustible and toxic gases, GasAlertMicro 5 is unparalleled in its versatility, capability and overall value. BW Technologies by Honeywell's newest addition to its water-resistant line of portable gas detectors has transformed the market with its matchless array of features. Continuously monitoring and displaying concentrations of up to five gases, the compact and lightweight GasAlertMicro 5 was designed and engineered with an extensive host of applications in mind. Other Configurations include: CLO2, PH3, HCN, NO2, O3