- Automatic Zener Diode Detection: Accurately measures Zener diode voltages from 0.01V to 30V with self-testing and automatic calibration. Infrared coding support allows for precise infrared waveform display on a clear TFT graphic screen. - Versatile Measurement Capabilities: This multifunctional transistor tester is essential for technicians and hobbyists. It efficiently measures a wide range of components including transistors, diodes, resistors, capacitors, inductors, dual diodes, light-emitting diodes, thyristors, field-effect transistors, and controllers. - Convenient Power Features: Equipped with a high-capacity rechargeable lithium-ion battery, this tester comes with a charging indicator LED and a Micro USB charging interface. The one-button operation simplifies use, while the automatic shut-off feature ensures energy efficiency. - User-Friendly Panel Design: The tester features a 160x128 TFT display for easy reading, an infrared receive window for enhanced functionality, and dedicated areas for transistor and Zener diode testing, making it straightforward to navigate. - Practical Applications: Ideal for electronics repair, hobby projects, and educational purposes. Whether you are testing components in a circuit, diagnosing faults in electronic devices, or experimenting with new designs, this tester is an invaluable tool. - Compact and Durable: Designed for portability and longevity, this compact tester is built to withstand regular use in various environments, making it a reliable choice for professionals and enthusiasts alike.