The Vanco Handheld 4K HDMI Tester is a handheld HDMI tester to help troubleshoot issues with passive and active HDMI installations in the field. Connect the HDMI output to a display to act as a signal generator to ensure video signals and HDCP are passed, or connect a source to the HDMI input to emulate the signal coming out to the sink using the LED lights. A convenient way of testing all components and cabling within an HDMI distribution system. The HD4KTEST is capable of 4K and 1080p resolutions, with 16 combinations to help replicate and resolve common issues in the field.