This device allows IR signals to be transmitted distances of up to 250m using low cost and easy to install CAT5e/6 network cable. Its an ideal solution for industrial, commercial, education and home cinema installations and is suitable for use with any IR remote control. Check out the review of this product on the gadget blog, Crave Package Contents IR Extender Transmitter unit IR Extender Receiver unit 1 x Large IR Eye (1.9m cable length) 5 x Small IR Eye (2m cable length) 5V DC 1A PSU Manual