Double shielded cable for top quality signal Resolution over full HD, more than 4096x2160, Full 3d image support, Deep Color technology for 48bit color palette Contacts covered with 24K gold, Uses latest 1.4 HDMI standard, Compatible with previous HDMI standards Oxygen-free copper 99.97%, RoHs and UL/CL2 (inside wall installation) certified 24 months guarantee