Introducing our Portable Voltage Capability Tester, the perfect tool for all your electrical testing needs. Designed to test MOS, triodes, IGBT, diodes, Zener diodes, and diode bridges, this device is a must-have for professionals and hobbyists alike. Key Features: Adjustable Voltage: Easily adjust the output voltage from 110V to 2600V. Increase the voltage by turning the adjust button clockwise and decrease it with a counterclockwise turn. Variable Current: Set the current between 0.25mAh and 3.4mAh to match your testing requirements. Use the voltage adjust button to fine-tune the current output. Versatile Testing: For optimal performance, set the current to 0.25mA while testing MOS tubes, transistors, and Zener diodes. For testing LED backlight boards, adjust it to 3.4mAh. Compact and Portable: With its small size, this tool easily fits into your tool bag, ensuring convenient storage and transport. Rechargeable Battery: Equipped with a built-in 660mAh lithium battery, this tester offers reliable power with a Type-C interface for quick recharging. Wide Application: Ideal for testing various components such as capacitors, varistors, and LED light boards. Specifications: Material: ABS Color Options: Red, Blue Output Voltage: Direct current 110~2600V Output Current: 0.25~3.4mAh Battery: 660mAh Lithium (included) Recharge Port: Type-C Package Size: 130 x 80 x 40mm / 5.1 x 3.1 x 1.6 inches Package Weight: 175g / 6.2 ounces This package includes one Transistor Withstand Voltage Tester with Test Pen. If you're in need of a reliable and versatile voltage tester, this is the perfect solution for you!