1. Insulation Resistance Measurement 2. Alternating Current (AC) Measurement 3. Direct Current (DC) Measurement4. Small Resistance Measurement 5. Measured Data Holding 6. Low Battery Indication 7. Large LCD digital display 8. Over-limit Alarm 9. Red Alarm Light, Buzzer Alarm 10. High Voltage Alarm11. 6 x AA batteries or external DC 9V power supply(Not Included)Specification: Package Weight One Package Weight 0.65kgs / 1.44lb One Package Size 20cm * 11cm * 8cm / 7.87inch * 4.33inch * 3.15inch Qty per Carton 40 Carton Weight 27.00kgs / 59.52lb Carton Size 46cm * 42cm * 42cm / 18.11inch * 16.54inch * 16.54inch Loading Container 20GP: 328 cartons * 40 pcs = 13120 pcs 40HQ: 762 cartons * 40 pcs = 30480 pcs