Extends posite video and stereo audio up to 300"Uses 110-type rear punchdown connector for in-wall installTwisted pair extenders allow long distance distribution of audio and video using inexpensive CAT5e cablesComposite video provides 100ohm while stereo audio have unbalanced 600ohm impedance RoHS pliantRequires solid CAT5e and CAT6 cablesIncludes extender pair mounting wallplates and screws