Klein Tools MM720 Multimeter is an automatically ranging true root mean squared (TRMS) digital multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, diodes and continuity. It features a high visibility, reverse contrast LCD display with an optical sensor to automatically optimize viewability in dark or bright ambient lighting. Ensures improved accuracy using automatic ranging TRMS technology. Meter measures up to 1000V AC/DC voltage and 10A AC/DC current. Reverse contrast display with automatic backlight control. Tough meter built to withstand a 6.6-Foot (2 m) drop and is rated IP42. Includes carrying pouch, test leads, thermocouple with adapter, and batteries. CAT IV 600V Safety Rating. For use in basic and controlled electromagnetic environments such as residential, business and light-industrial locations.