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 color. Display DVD/Blu-ray players, game consoles, set-top boxes or PCs with HDMI compatible source device coaxial analog signal output on old TVs. You can also display multimedia documents from laptops to the audience via a large screen projector. HDMI compatible coaxial output, which can transmit signals over long distances via coaxial cables and use them in different rooms. Specification: Size: 10x6.5x2cm. Material: ABS. Color: shown as pictures. Note: There may be a little color distortion due to different computer resolutions. There may be slight errors due to different hand measurements. Package includes: 1 x Coaxial Converter. 1 x Manual. 1 x S-terminal cable. 1 x Remote control. When shopping, pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you like it!