This autoranging megohmmeter can measure insulation resistance up to 2000 MΩ. Test voltages can be 250, 500, or 1000 VDC. The huge, lighted dual display shows test voltage output and insulating resistance. Measurement functions include low resistance, continuity, and AC/DC voltage. Other features include automatic discharge at the end of the test, a protective holster with a stand, a power lock-on mechanism, and data retention. Comes includes test leads, a carrying box, and 6 AA batteries.