This Kind of HDMI Extender by two pieces of CAT-5E or CAT-6 cables to extend the HDTV display up for approximate 30 meters for 1080p. It is definately lower cost than using long length of HDMI cable to achieve what you need. Features : Plug and play, no need of setting. Via 2 CAT-5e/6 cables to substitute HDMI cable to achieve long distance transmission. Follow the standard of IEEE-568B. Transmission distance can be up to 30 meters for 1080p using CAT-6 Cable. Signaling rates up to1.65Gbps in support of 1080P display. No need Power supply HPCP compliant Compact size, comes in 1 pair as a full functional module Suitable for HD-DVD, Gaming, projector, STB and etc... Color: Black How to Connect? Plug the fixed HDMI cable of the sender into the HDMI input source such as: HD-DVD, PS3, STB etc. Connect two CAT-5E/6 cables to both the the output of the transmitter and input of the receiver. Plug the fixed HDMI cable of the receiver into the HDMI display (such as: HD-LCD,HD-DLP). Package Contents: 2 x HDMI Extender Adapters (Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time) More HDMI Extender Models : CW-HEXT-120, CW-HEXT-100, CW-HEXT-60