UHD 1080P 4K HDMI to HDMI Scaler Converter Adapter Cable for PC TV HDTV AC219 Supports 1 HDMI input and 1HDMI output. Convert video input stream from 1080p to 4K2K at 30Hz frame rate. Convert video input stream from 4K2K to at 1080p 30Hz frame rate Supports up to 75Mhz Pixel clock rate(8-bit 720p 60Hz or 108p 30Hz). HDMI Input port is compliant with HDMI1.4b specification