Clamp measures AC current. Test leads measure AC/DC voltage, resistance and continuity. Thermocouple probe measures temperature. Safety rating is CAT III 600V, Class 2, Double insulation. Meets requirements for use in basic and controlled electromagnetic environments like residential, office and light-industrial locations. Built to withstand a 3.3 ft. (1m) drop. Includes low battery indicator and has an easily accessible battery compartment.