Amazon.com: HDMI High Definition Cable Tester - Battery Operated HDMI Connector Line Finder, Continuity Checker, Wire Tracker w/ LED Light Indicator - Test Up to 19 Type A HDMI Cables - Pyle
HDMI Tester Portable High Definition Network Cable Tester Checker NF-622 LED Indicator to Check Disorder Short Open and Cross Status of HDMI Cables and Hd Wire Test Ideal for Troubleshooting: Amazon.com: Industrial