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 forward biased voltage 4: Measure the gate and gate capacitance of the MOSFET voltage 5:Use 12864 liquid crystal display with green backlight Specifications: 1,One -button operation, automatic shutdown . 2,Only 20nA shutdown current. 3,Automatically detect NPN, PNP bipolar transistors , N -channel and P -channel MOS FET, JFET , diodes , two diodes, thyristors small power unidirectional and bidirectional thyristor. 4,Automatic identification components pin arrangement . 5,Measuring bipolar transistor current amplification factor and base - emitter voltage. 6,Via the base - emitter voltage and high current amplification factor to identify transistors. 7,Can detect bipolar transistors and MOS transistors protection diodes. 8,Measuring the gate MOS FET voltage and the gate capacitance. Description: 1,2015 latest M328 version of the software ,more functions.Chip: 2.128x64 big Backlight LCD display,only 2mA when stand by. 3,Using 9V battery (Not included) Test ranges: Inductors, capacitors , diodes, dual diode , mos, transistor, , 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 size: 63x71 mm Material:ABS colour:As shown Package Contents: 1 x ESR Meter Transistor Tester 1 x Acrylic shell Only the above package content, other products are not included. Note: Light reflection 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.