Specification: Condition: 100% Brand New Color: Black Length: 30M Package Includes: 1 * 30M HDMI Over RJ45 CAT5e CAT6 LAN Ethernet Balun Extender Repeater Up to 1080P High Quality: Use 2 CAT5e or CAT6 cables (not included),extend your HDMI signal over long distances by sending the signal over CAT 5e or CAT 6 cable,comes as a pair (one sender, one receiver),HDCP compliant. Multi-audio Supports: Supports compressed audio such as DTS Digital (including DTS-HD and Dolby True HD),supports uncompressed audio such as LPCM and supports 3D. Long Distance: HDMI pigtail cables attached to each unit,so there is no need to purchase additional HDMI cables,auto adjustment of feedback, equalization, and amplification,uses CAT5e or CAT6 cable to substitute HDMI and achieve long distance transmissions. Supported Resolutions: 480i up to 1080p,supports1080p resolution up to at least 100ft (30M) using CAT6 cable, and much further when using lower resolutions. Easy to Operate: The device is pretty simple to use,just hook the two interface boxes with Cat 5 or Cat 6 cables, then run the HDMI into your monitor and computer,no power supply is needed.