Item Type: Resistance TesterMaterial: PlasticModel: DY4100Ground Voltage: 0-30VEnvironmental Requirements: 23℃±5℃ <80%AC Voltage: 500VMeasure Ground Resistance: About 5sMeasure Ground Voltage: About 2sOverload Protection: In the ground voltage range, can withstand300V AC (one minute), At ground resistance, 200V AC (10seconds)Power Supply: 1.5v Battery x 6(Not included)+12V BatteryRange Accuracy Resolution20Ω ±)2% Reading+0.1Ω) 0.01Ω200Ω ±)2% Reading+3 Words) 0.1Ω2000Ω ±)2% Reading+3 Words) 1ΩPackageList:3 x Testing Cable (Red+Yellow+Green);2 x Single Testing Cable (Red+Yellow);1 x Instruction;1 x Resistance Tester;1 x Bag;2 x Auxiliary Ground Rod;1 x 12V Battery