1. It can be widely used to detect NPN and PNP transistor, capacitor, resistor, diode, triode, Nchannel and Pchannel MOSFET, IGBT, JFET, triac and battery etc. 2. One button operation, automatically detect and shutdown, and you can press the multifunctional button to close the detector too. 3. Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. Display: 1.8 inch TFT Screen Diode Range: less than 4.5V Zener Diode : Transistor Detect Area: 0.014.5V Zener Diode Detect Area: 0.0130V Triac Range: less than 6mA Capacitance: 25pF100mF Resistor: 0.0150M ohm Inductance: 0.01mH20H Battery: 0.14.5V Power Mode: Rechargeable Lithium Battery (Include) Size: . 90 x 50 x 25mm colour: as shown Material: plastic Package Contents: 1 x Multifunctional TFT Transistor tester 1 x Electronic component set(random colors style, 't accept the specified color style) 3 x Test hooks 1 x Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.