Engineered to exceed the expectations of the professional electrician, the Sperry Instruments DM6400 digital multimeter offers a durable and ergonomic impact-resistant design manufactured to the latest industry standards. Featuring improved audible and visual indicators, the industry's leading LCD display size, and easy to read markings. Capable of testing AC/DC voltage and current, this unit also measures amperage, resistance and continuity (audible), and performs diode and battery testing ((1.5V) 2000mV/(9V) 20V). Data hold feature captures reading on the display and holds thru multiple tests. Housing is impact resistant and features comfortable and protective rubber boot. Five-year warranty.