It can automatically detect NPN and PNP transistors, N- and P-Channel MOSFETs, diodes, transistors, resistors, capacitors, and etc. It can also be used to detect infrared wave forms. - It can be widely used to detect NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET,, JFET, triac and battery etc.
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