It can also detect zener diode and the function has a self-calibration. One-button operation, automatically detect and shutdown, and you can press the multifunction button to close the detector. Not like the usual black and white display, this detector will show results in colour. It can be widely used to capture NPN and PNP transistor, a capacitor, a resistor, a diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery etc After detection, align the infrared remote control with the "IR" light, press the button of the remote control, if the detector successfully decode, it will display the data code and infrared waveform. This is a cost-effective and most widely used transistor detector. You can detect NPN and PNP transistor, capacitor, resistance, diode, triode, N channel and P channel MOSFET, triac and battery etc. It can also be used to detect infrared waveforms. Features: Put the pins of the component in the appropriate range, then choose the small handle and the detector will automatically test it, finally the results show clearly on the rear light TFT screen. Not like the usual black and white display, this detector shows results in colour. Specifications: Power mode: rechargeable lithium battery. Display: 3.5 x 3 cm TFT screen. Diode range: