Feature 1High Definition LCD Display: The tester features a high definition LCD display with a built in backlight, allowing for easy reading of measurements in both brightly lit and dark environments and ensuring clear visibility of values at all times. 2Multi Voltage Level Design: Unlike traditional hand cranked meters, this digital insulation resistance tester is designed with multiple voltage levels, allowing it to meet a wider range of voltage testing requirements. 3High Accuracy: The insulation resistance tester boasts a high level of accuracy, with a range of (3%+5dgt) for 0.00M-99M and (5%+5dgt) for 100M-11.0G, ensuring precise measurements results. 4Buzzer Alarm: The insulation tester is equipped with a buzzer alarm that sounds when the insulation resistance of the device being tested falls below 4M. 5Wide Application: The insulation resistance tester can be used in a variety of applications, including electromechanical installation testing, cable testing, electrical equipment testing, power transmission testing, insulation fault detection in new energy vehicles, and insulation testing in new energy vehicles. Specifications: Item Name: Digital Insulation Resistance Tester Main Material: Plastic Power Supply: 1.5V AA Battery * 6pcs (Not Included) Color: Orange Size: 16.5*10.5*6.3cm/6.5*4.13*2.48inch Rated Voltage: 250V Maximum: 5.5G, 500V Maximum: 5.5G, 1000V Maximum: 11.0G Range of Accuracy: 0.00M-99M: (3%+5dgt), 100M-11.0G: (5%+5dgt) Measuring Range: 0.00M~11.0G (When the value is less than or equal to 4.0 M, the buzzer alarms) DC Open Circuit Voltage: 250V10%, 500V10%, 1000V10% Rated Test Current: 250K load 0.9mA~1.1mA; 500K load 0.9mA-1.1mA; 1M load 0.9mA~1.1mA Short Circuit Current: Approximately less than 1.8mA AC Voltage Test Measuring Range: AC30V- AC750V (50Hz/60Hz) Resolution: 1V Precision: (2%+3dgt) Package Size: 23*15*7cm/9.06*5.91*2.76inch Package Weight: 770g/1.7lb Package List 1 * Insulation Resistance Tester 2 * Test Lead 2 * Crocodile Clip 1 * Resistor 1 * Carrying Bag Note Please note that the knob color is random.