The CV-5005ZG-PT HDMI 2.0a 4K EDID Management with Retimer/Repeater & Pigtail Cable boosts up your HDMI extension transmission over long cable and makes multiple layers cascading of HDMI products possible. With built-in EDID management, the EDID information can be provided to a connected HDMI source device. EDID includes critical information about the capabilities of the connected display, including audio & video format support, HDMI feature support. This device can use not only built-in defult EDIDs and pre-made EDIDs, but also the EDIDs copied from other displays. The CV-5005ZG-PT amplifies and equalizes the HDMI signal to provide high quality audio and video. The power can be provided by HDMI source which follows HDMI spec to provide 5V. If the source cannot provide enough power, the external power can be added to extend HDMI2.0a signal.