The 20KM HDMI-Compatible Fiber Extender is designed to transmit HDMI-compatible video and audio signals over long distances via a single fiber optic cable. It supports resolutions up to 1920x1080p at 60Hz and is compliant with HDMI 1.3 and HDCP 1.2 standards. The extender features a built-in automatic adjustment system for smooth and stable image transmission, as well as ESD protection. It is simple to install and use, with a plug-and-play design. The package includes a transmitter, receiver, power adapter, and user manual.