HDMI-Compatible to RF coaxial converter converts HDMI-Compatible digital signal to RF analog signal.You can use the remote control to switch the output screen up and down, as well as amplitude, brightness, contrast, and chroma.Display DVD/Blu-ray players, game consoles, set-top boxes or PC computers with HDMI-compatible source device coaxial analog signal output on old TVs.You can also display multimedia documents from laptops to the audience through a large-screen projector.HDMI-compatible coaxial output, which can transmit signals over long distances through coaxial cables and use them in different rooms.Specification:Size: 10x6.5x2cm.Material: ABS.Color: show as pictures.Note:There might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package Included:1 x Coaxial Converter.1 x manual.1 x S terminal cable.1 x remote control. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.