AC/DC High-Pot Tester, High Voltage Test 4 kV AC, 5 kV DC, Leakage Current Range 0.3 to 12 mA, 0.43 to 17 mA, Maximum Current Measured 17 mA, Minimum Current Measured 0.3 mA, Test Voltage Accuracy +/-2.00 Percent, Power Source Electric Corded, Standards UL, Alert Type Sound, Battery Chemistry Not Applicable, Battery Size Not Applicable, CAT Safety Rating Not Rated, Features Rugged Design for Portability