This digital earth resistance tester is both fine-looking and practical, has more complete functions, higher accuracy, more convenient and reliable for operation and more suitable for outdoor use with dust and wet proof structure.It can test earth resistance of various earth systems including power systems, electric equipments, conductors as well as resistance value of low resistance conductor and AC voltage test.Specifications:Material: plasticsMatched battery model:6 * 1.5V(R6AA)1 * 12V(23A)Measurement range: 0.5 MEarth ground resistance: 0/20/200/2000 (2%+3)Earth voltage: 0~30V (3%+5)Resolution: 0.01Item size: 200 * 200 * 270mm / 7.9 * 7.9 * 10.6inItem weight: 1500g / 3.3lbPackage size: 300 * 220 * 220mm / 11.8 * 8.7 * 8.7inPackage weight: 1780g / 3.9lbNote: battery is not included in the shipment.Packing List:2 * Auxiliary Earth Bar3 * 1.5m Wire1 * Instruction Manual1 * Tool Bag