Model: UT681HDMI. UT681 is a professional tester for testing HD cable ( 1.2V/1.3V/1.4V/2.0V). UT681 is a professional tester for testing cable ( 1.2V/1.3V/1.4V/2.0V). It can quickly scan and test up to 19 wires and decide which one is short circuit, open circuit, or in wrong order.
