Feature: 1. Versatile Measurement: This multifunctional tester is designed for measuring DC voltage, AC voltage, low resistive value, insulation resistive value, and more, offering convenience and practicality 2. Robust Construction: Crafted from sturdy material, this grounding resistor tester features a shockproof and dust proof structure, enabling it to withstand a variety of working environments 3. Wide Application: Suitable for use in telecommunications, power, meteorology, server rooms, oilfields, electrical installation and maintenance, and industrial enterprise using electricity as a power source 4. Enhanced Security: The resistive value tester allows measurement without physical contacts, eliminating the danger associated with direct exposure to live wires, enhancing operational security 5. Multiple Functions: Featuring a backlit LCD screen, clear and intuitive, a maximum reading of 9999, the tester also supports data storage of 100 sets, ensuring easy access to measurement records Specification: Item Type: Resistive Value Tester Rated Voltage: 0-1000V DC Voltage: DC1-1000V Insulation Resistive Value: 0-10GΩ AC Voltage: AC1-750V Low Resistive Value Measurement: 0-200Ω Measurement Current: 1mA Rated Voltage: 100V/200V/500V/1000V Measurement Functions: DC Voltage, AC Voltage, Low Resistive Value, Insulation Resistive Value Dielectric Absorption Ratio Test: Support Polarization Index Test: Support Short Circuit Current: ≤2mA DC Voltage Input Impedance: 10MΩ AC Voltage Input Impedance: 5MΩ Display Mode: LCD Display, Maximum Reading 9999 Data Storage: 100 Sets Voltage Detection: When the battery voltage is lower than 3.2V, charge it in time Battery: 3.7V 1500mAH Li Battery (Built in). Package List: 1 x Resistor Tester 1 x Plug 1 x USB Data Cable 2 x Test Wires 2 x Crocodile Clips