KKmoon Portable MK168 LCD Backlight Transistor Tester Diode Inductance Capacitance Resistance ESR Meter MOS/PNP/NPN L/C/R Testing LCD backlight display for easy readings. Micro-controller uses 8MHz external crystal, the measurement accuracy is better. One key operation with automatic power shutdown. Automatic detection of NPN and PNP bipolar transistors, N-Channel and P-Channel MOSFETs, JFETs, diodes, double diodes, Thyristors and bidirectional thyristor. Can be powered by 9V battery(not included), also has external power interface for convenient use. Automatic identification components pin arrangement. Measure of current amplification factor and base-emitter threshold voltage of bipolar transistors. It can detect bipolar transistors and MOS transistors protection diodes. Measuring the gate MOSFET threshold voltage and the gate capacitance. Resistance measurement resolution is 0.1 ohms, 50M ohms can be measured. It can measure capacitance of 25pF~100mF, resolution 1pF. 2uF above capacitors can simultaneously measure the equivalent series resistance ESR values. Can be in correct order and the diode symbol display two diodes, and gives the diode forward voltage.