The Clearstream FLEX-CN is designed with a Hi-VHF element to reach core-DTV frequencies and includes the 20dB In-Line Amplifier System. The unique design is a peel-and-stick which makes assembly easy and without any mess from Velcro, hooks, etc. The antenna can be turned several ways for maximum range of up to 50 miles. This antenna includes a USB cable to connect t TV so the amplifier will only draw power when the TV system is turned on, resulting in lower electric bills. It also includes a power adapter in case your TV does not have a USB port. Additional components include 12 ft. detachable coaxial cable, a 20dB USB in-line amplifier, and a USB power adapter.