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: plastics Matched battery model: 6 * 1.5V(R6AA) 1 * 12V(23A)  Measurement range: 0.5 MΩ Earth ground resistance: 0/20/200/2000Ω ± (2%'3) Earth voltage: 0~30V ± (3%'5) Resolution: 0.01Ω Item size: 200 * 200 * 270mm  / 7.9 * 7.9 * 10.6in Item weight: 1500g / 3.3lb Package size: 300 * 220 * 220mm / 11.8 * 8.7 * 8.7in Package weight: 1780g / 3.9lb Note: battery is not included in the shipment. Packing List:  2 * Auxiliary Earth Bar 3 * 1.5m Wire 1 * Instruction Manual 1 * Tool Bag