new Mega328 Transistor Tester Diode Triode Capacitor ESR Meter MOS PNP/NPN L/C/R Description :1,2015 latest M328 version of the software ,more functions.Chip: Atmega328 2.128*64 big Backlight LCD display,only 2mA when stand by. 3,Using 9V battery (Not included) Test ranges: Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,Resistance,Adjustable potentiometer