Usage Tips:Features: NY38 withstand voltage tester, multifunctional direct current withstand voltage testing tool for transistors diode transistors MOS transistors. It can help you test the withstand voltage of IGBT/ MOS transistors/ diode/ electrolytic capacitors/ LEDs/ MOVs/ unidirectional thyristors/rectifiers bridge, etc. A wide pressure measurement of 0-3800V for precise testing. Equipped with voltage and current adjustment buttons, as well as indicator lights and start button, digital display panel, clear. Comes with testing line and a split design, it is easy to carry and use, making maintenance easily. Specifications: Material: Plastic Type: refer to picture to selection please Size: about 100x70x31mm/3.94x2.76x1.22inch Name: Multifunctional withstand voltage tester Test scope: 0-3800V Output voltage: 10-3800V ± 1.5% (adjustable) Output current: 0.01-5mA (adjustable) Battery capacity: 700mAh Charging port: Type C Input: 5V1A Charging current: up to 550mA Package Includes: 1pc NY38 Transistors Withstand Voltage Tester with Matching Clip Test Line note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.