Features:DY4100 with LED LCD screen, potenial po le, grounding po le, current po le, voltage po le ect. More complete functions, higher accuracy, more convenient and reliable for operation and more suitable for outdoor use with dust and wet proof structure. DY4100 Digital Ground Resistance Tester 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. Earth Ground Resistance:0/20/200/2000. Earth Voltage:030V +/-3% + 5. Package Includes:1x Resistance Tester Specifications:Material: ABSResolution; 0.01Ground voltage: 0-30V +/-3% + 5.Date keepingFunctional symbol displayAutomatic measuring rangeLow battery warningPower supply: AA 1.5V x 6(UM3) 12V x 1 (excluded) 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.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-25147 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it!