Features 1. HDMI to RF coaxial converter adapter can be used for TV, which converts HDMI digital signals to RF analog signals. 2. It displays DVD or Blu-ray players, game consoles, set-top boxes, or PCs with coaxial analog signal output from HDMI source devices on standard older TVs, or displays multimedia files from laptops to viewers through large-screen projectors. 3. HDMI RF signal transmitter enables long-distance signal transmission between different rooms via coaxial cable. 4. RF coaxial converter outputs analog signals only, and the image quality will be lower than native HDMI (approximately 480p). It is not compatible with ATSC format. 5. HDMI RF modulator with remote control allows you to adjust screen position, amplitude, brightness, contrast, and chrominance using the remote. Specification Item Type: RF coaxial converter Supported Input HDMI Resolution: 480i / 480p / 576i / 576p / 720p / 720i / 1080i / 1080p Material: ABS Color: White Button Battery: CR2025 (not included) Package List 1 x Converter 1 x Remote Control 1 x Cable 1 x Power Cord 1 x English User Manual Note Please check your TV's supported format before ordering. This converter outputs only four TV formats: PAL-BG, PAL-I, PAL-DK, and NTSC-M. If your TV does not support any of these, the converter will not work. The device cannot operate in reverse. Battery is not included.