Feature:1. VC4105A Ground Resistance Tester: HD LCD screen with 2000 counts display, clear white backlit, no parallax, unit symbol display, suitable for nighttime or dark environments.2. Digital Resistance Meter: Multiple gear selections for resistance measurement, capable of measuring ground voltage (0V to 1000V) and photovoltaic voltage (0V to 1500V).3. Power Supply Options: Can be powered by batteries(without) or external power adapter, ensuring continuous power supply without worrying about low battery levels.4. Compact and Durable Design: Equipped with a neck strap for convenient dual hand operation, user friendly interface, this resistance meter is suitable for on site transportation and harsh environments.5. 5 Test Cables: There are 5 test cables for the resistance tester that can be used for different situations, you can use them at will!Specification:Item Type: Ground Resistance MeterMaterial: ABSGrounding Measurement Range:0.10 to 19.990, (2.0%+10)0.0 to 199.90, (2.0%+3)0 to 1999, (2.0%+3)Numbers: 2000 counts display with white backlitOperating Temperature And Humidity Range: 0 to 40, relative humidity 85% (no condensation)Storage Temperature And Humidity Range: -20 to 60 , relative humidity below 90% (no condensation)Accuracy GuaranteeD Temperature And Humidity Range: 235, relative humidity below 75% (no condensation)Use Of Environmental Conditions: Indoor, outdoor use (not waterproof), altitude 0 to 2000 metersOverrange Indication:Ground Resistance: >1999, 999Battery Type: 1.5V (LR6) Alkaline battery x 8 [Shipped without battery]Low Battery: Displays the low battery indicatorAutomatic Shutdown: No operation for about 15 minutes by default.Package List:1 x Grounding Resistance Tester5 x Test Wires2 x Auxiliary Grounding Rods1 x Strap1 x Storage Bag1 x User Manual