FCC, CE and RoHS compliant. Our products are backed with a 1-year limited warranty and experienced tech support team in Silicon Valley. HDMI LOSSLESS TRANSMISSION – Extends HDMI audio/video signals to synchronous output video display(s), is as fluent as direct connection; Supports up to 50m (165ft) at 1080p@60Hz with CAT5e/6/7 and surround sound up to 7.1-channel digital audio.