Insulation Earth Resistance Ohm Tester Digital Megohmmeter Meter ,Easy to Use

Grounding voltage: 0-30V±(3%+5) Grounding resistance: 0/20/200 /2000±(2% + 3) Voltage range: can withstand 300V AC (1 minute) Resistance range: can withstand 200V AC (10 seconds) Matching battery model: 1.5V (R6AA) battery X 6, 12V (23A) battery X 1 (not included)