Features: This one has more complete functions, high 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 system including power system, electric equipments, conductors as well as resistance value of low resistance conductors and ACvoltage test. Ground resistance measurements from 0.01Ω to 2000Ω with 0.01Ω resolution. Data hold, low battery warning. Complete with test leads, auxiliary earth bars, (not include battery). Specifications: Material:ABS Earth Ground Resistance:0/20/200/2000Ω Resolution:0.01Ω Earth Voltage:0~30V Working LED Indicator:yes Function Symbol Display:yes Low Battery Warning:yes Size:Approx.15cm/5.9''x10cm/3.94'' Package Includes: 1x Insulation Resistance Meter note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.