Features: Digital Ground Resistance Tester can test earth resistance of various earth systems including power systems. More complete functions, high accuracy, more convenient and reliable for operation and more suitable for outdoor use with dust and wet proof structure. Earth Ground Resistance:0/20/200/2000; Earth Voltage:030V +/-3% + 5. With LED LCD screen, potenial pole, grounding pole, current pole, voltage pole ect. Light-ning conductors as well as resistance value of low resistance conductor and AC voltage test. Specifications: Material: ABS Size: 150x100x70mm/5.9x3.93x2.76in Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1X Resistance Tester