1. It can be widely used to detect NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, and battery etc. 2. One button operation, automatically detect and shutdown, and you can press the multi-functional button to close the detector too. 3. Put the pins of component in corresponding area, then the little handle and the detector test it automatically, finally the results display on the back light TFT screen clearly., Weight: 0.24471311082 Pounds, Manufacturer: Kueohse