AEMC 6505 Battery Operated Megohmmeter, 5100VDC. More details: Battery Operated Megohmmeter, Output Test Voltage 40 to 5100VDC, Insulation Resistance Range 10T Ohms, Live Circuit Detection 0 to 1000VAC/DC, Capacitance Range 0.005 to 49.99 uF, Display Backlit LCD, Accuracy +/-5 Percent of Reading + 3 Counts, Safety Rating 1000V CAT III, Leakage Current Range 0.00nA to 3mA, Power Source Rechargeable NiMH Batteries, Includes Carrying Case, Test Leads, Batteries and Instructions, Manufacturers Warranty Length 1 yr.