The 230' Kramer CLS-AOCH/UF Ultra High-Speed HDMI Optic Hybrid LSHF Cable is an innovative active hybrid optical HDMI cable for sending 8K signals a long distance without the need for external power. The cable is thinner, lighter, and more flexible than most copper or even standard optical cables. It offers everything associated with HDMI 2.1, including eARC, HDR, and transparent EDID and HDCP support with no signal attenuation and reduced risk of EMI and RFI interference.