Description: Large Screen: The MH14 Ground Resistance Tester features a large, high definition LCD screen that ensures clear visibility even in dark environments.Automatic Discharge Function: This Megohmmeter Insulation Tester automatically discharges after testing, providing professional, accurate results with no worries about safe during operation.Drop Case: The tester comes with an all round protective and anti drop cover made of silicone material that effectively prevents damage from drops and impacts.Functional Operation: It offers a wide range of insulation resistance measurements from 0.1 MQ to 2000MQ and multi-level high voltage output options of 250V/500V/1000V.Multifunctional Assistance: With its large 99.9mm LCD digital display screen and long battery life, this tester is designed for ease of use and durability. It also includes a silicone protective cover for added protection. Specification: Material: PlasticPackaging size:17cmx17cm/6.69inchx6.69inch Package Includes: 1 Ground Resistance Tester (with two crocodile clip test lines - red line length 1.6m, green line length 1.6m)2 Auxiliary Grounding Rods (with three auxiliary test lines - red line length is 15m, yellow line length is10m, green line length is5m)1 Storage Bag1 User Manual1 Packaging Box Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!