Specifications: Hidden Amplified Antenna Kit Designed for optimum AM/FM/WB reception covering all broadcast radio 102 Inch cable length for easy installation Comes with hook and loop mounting fastener so you can adjust the antenna for best reception It simply mounts to the inside of any non metal location and plugs into any standard AM/FM antenna jack Requires a switched 12-volt power source Instructions: Included Installation: This amplified antenna works well for radio installations where a conventional antenna is a challenge to mount or you don t want to drill a hole. Great for hidden stereo installs and clean antenna-less fenders. It simply mounts to the inside of any non metal location and plugs into any standard AM/FM antenna jack. Requires a switched 12-volt power source