1. Automatic detection: The multifunction transistor tester TC1 features automatic detection and shutdown, making it easy to use with just one key press. Simply place the component pin in the corresponding area and toggle the handle for instant results displayed on the 1.8inch TFT screen. 2. Selfcalibration function: This tester includes a selfcalibration function, ensuring accurate readings every time. It can also decode infrared remote controls, displaying data codes and waveforms for comprehensive testing. 3. Wide component range: The TC1 Transistor Tester is versatile, capable of detecting NPN and PNP transistors, capacitors, resistors, diodes, MOSFETs, IGBTs, JFETs, triacs, and batteries, making it an essential tool for electronics . 4. Durable and portable: Constructed from quality engineering plastic, this tester is both durable and lightweight. Its rechargeable lithium battery ensures longlasting use, ideal for onthego electronics testing.