GWINSTEK GPT-9803

GWINSTEK safety tester GPT-9803 AC and DC voltage withstand, insulated, almost brand new, the box is still there, it comes with a set of wires. I don’t know how to test the screen when it is turned on. Since I am not a professional, I am selling it as is. If you need it, Comes with a video screen, non-refundable or exchangeable, priced at US$650