Features CURRENT SCALE: When testing MOS tube, transistor, and diode, adjust the current to the minimum scale of 0.22mA, when testing the LED backlight board, adjust it to the maximum of 3.8mAh. EASY OPERATION: The withstand voltage tester has a compact structure, with knob adjustment, convenient operation, and has a wide range of applications. WIDE APPLICATION: Widely used to test the maximum voltage capacity of MOS, triode, IGBT and diode, voltage verification of capacitor and Varistor, LED backlight and lamp board test, etc. BUILT IN BATTERY: The voltage capability tester has a built in 660mAh large capacity rechargeable lithium battery, can be charged in a timely manner through the Type C interface. DIGITAL PANEL: The withstand voltage tester has a digital display panel, which is clear and intuitive, and can be used in daytime, nighttime, or other dim environments. Specification: Item Type: Withstand Voltage Tester Material: ABS Output Voltage: 120V-2700V Output Current: 0.2-3.8mA Battery: 1 x 660mAh 3.7V Rechargeable Lithium Battery (built in battery) Charging Interface: Type C Package List: 1 x Withstand Voltage Tester Package List 1 x Withstand Voltage Tester