Welcome to the store! Comprehensive Test Coverage: This advanced tester can test semiconductors with voltages ranging from 0 to 3500V, ensuring broad applicability for a wide range of electronic components. Versatile: Ideal for testing a wide array of components, including transistors, diodes, MOSFETs, triodes, LEDs, and Metal Oxide Varistors (MOVs), making it an essential tool for electronic diagnostics. Convenient Power Management: Equipped with a built-in lithium battery, it ensures portability and continuous use. It features a Type-C charging port for quick recharging. Digital Display for Enhanced Visibility: The tester boasts a digital display panel that provides clear and intuitive readings, making it suitable for use in any lighting condition. Accurate and Reliable: Designed to provide precise measurements and withstand voltage testing, this tester is essential for both professional and amateur electronics engineers. Adjustable Output Voltage: DC 0V-3500V Voltage Display Accuracy: 0.3% Adjustable Output Current: 50uA-5mA Output Mode: Constant voltage, constant current output Maximum Power: 5 Voltmeter Resolution: 100V below 0.1V, 100V above 1V Battery Capacity 700mA Charging Current: 550mA Charging Interface: TYPE-C (charging indicator red, full power indicator green) Charging Adapter: 5VIA mobile phone charger rechargeable Protection Function: 80 overheat protection (high temperature indicator blue) Lithium Battery Undervoltage: battery below 3.3V lights up blue Specification:A:Blue Light Color: As shown Material: Plastic Package Contents: 1 x Transistor Tester Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm. Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!