BENETECH GT5306A Insulation Resistance Tester, Battery Not Included

1. Insulation Resistance Measurement
2. Alternating Current (AC) Measurement
3. Direct Current (DC) Measurement
4. 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 Alarm
11. 6 x AA batteries or external DC 9V
power supply(Not Included)