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 components 2.Automatic test the pin of a component, and display on the LCD 3.Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor suitable forward biased voltage 4.Measure the gate and gate capacitance of the MOSFET threshold voltage 5.Use 12864 liquid crystal display with green backlight Test ranges: Inductors, capacitors, diodes, dual diode, transistor, SCR, the regulator, LED tube, ESR, Resistance,Adjustable potentiometer Resistance:0.1 ohm resolution, maximum 50M ohm Capacitor:25pf -100,000 uf Inductors: 0.01mh-20H : ELECTRICAL Model Number: LCR-T4 AC Current: LCR-T4 ESR Meter Transistor Tester Measuring Resistance Range: 0.1 ohm resolution, maximum 50M ohm Operating Mode: LCR-T4 ESR Meter Transistor Tester Measuring Inductance Range: LCR-T4 ESR Meter Transistor Tester Display Type: Digital Display DC Current: LCR-T4 ESR Meter Transistor Tester Measuring Capacitance Range: 25pf -100,000 uf Operating Temperature: LCR-T4 ESR Meter Transistor Tester Material:plastic colour:Photo Color Package Contents: 1 * Transistor Tester 1 * Box Only the above package content, other 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.