GM328 Transistor Tester Full Color Graphics Frequency Tester Digital LCD Display PWM Square Wave Voltmeter Resistance Meter

--Digital LCD display for easy readings, can display measured data and graphics.

--Rotary switch control, a keys measurement for convenient use.

--Main chip is the DIP, easy for electronic enthusiasts to DIY or update the main chip.

--Use 9V battery(not included), can also use DC power(DC 6.8-12V).

--Size: Screen : 3.7 x 3cm / 1.45 x 1.18in; PCB: 7.8 x 6.2cm / 3.1 x 2.44in.