1.Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components2.Automatic test the pin of a component, and display on the LCD3.Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage4.Measure the gate and gate capacitance of the MOSFET threshold voltage5.Use 12864 liquid crystal display with green backlightTest ranges: Inductors, capacitors, diodes, diode, transistor, , the regulator, LED tube, , Resistance,Adjustable potentiometerResistance:0.1 ohm resolution, maximum 50M ohmCapacitor:25pf -100,000 ufInductors: 0.01mh-20HDIY Supplies: ELECTRICALModel Number: -T4AC Current: -T4 Meter Transistor TesterMeasuring Resistance Range: 0.1 ohm resolution, maximum 50M ohmOperating Mode: -T4 Meter Transistor TesterMeasuring Inductance Range: -T4 Meter Transistor TesterDisplay Type: Digital DisplayDC Current: -T4 Meter Transistor TesterMeasuring Capacitance Range: 25pf -100,000 ufOperating Temperature: -T4 Meter Transistor TesterMaterial:plasticcolour:Photo ColorPackage Contents:1 * Transistor Tester1 * BoxOnly 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 +/- 1-3cm.