VC60B+ Digital Insulation Resistance Tester Megger Meter 1000V 0.1~2000MΩ Device
1 x Digital Insulation Tester. Input Impedance: 10MΩ. Continuity Alarm: Less than 50Ω±10Ω. Low Battery Indication: Less than approx. Power Source: 1.5V AA battery x6pcs(not included) ,or external DC 9V power source.