Battery-operated meter tests insulation of wires, cables, transformers and electrical motors. Features a built-in voltmeter and multiple internal memory locations to store measurements. Tests 250, 500 and 1000 Volts and checks resistance of motor windings. Capable of downloading data to a PC. Comes complete with test leads, PC software carry case, cable and instruction manual. Operates on 8 AA batteries (included). 9in. x 4.6in. x 2.4in.