***** **********Best Quality Guranteed. *****1080P ExtenderExtends 1080P resolution up to 328-Ft (100M) over a single CAT5e cable. *****Uncompressed TechnologyUsing uncompressed technology for lossless audio transmission provides you a fantastic audio. Supports 1080p@60Hz and 3D video resolutions. *****Maximum 253pcs of RXSupports TCP/IP and extends signal unlimitedly over router, hub and switch. Maximum connecting 253 receivers. *****Bi-directional IR Pass BackSupports bi-directional IR pass back from each side. You can control DVD at TX end and control TV at RX end. *****Perfect After-sales ServiceEnjoy 30 Days Free-returned, 1 Years Free Warranty and Lifetime Technology Support.