1. Hidden amplified antenna design for direct replacement2. Covering all am/fm broadcast radio3. Input: thoroughfare / output impedance: 750hm4. 77" power and antenna cable are included with the kit5. Comes with 3m self-adhesive pre-applied on the back of cable6. DC 12V/24V ONLY.7. No modification needed， professional installation is recommended8. Fits most vehicle truck， motorcycle or boats and rvGet rid of your annoying stock antenna that makes your car / truck look uncool. Just peel and stick this AM/FM HIDDEN AMPLIFIED ANTENNA in a concealed (out of sight) area.. Perfect for custom vehicles， golf carts， boats， motorcycles， atv or any vehicle where a unsightly antenna mast is not wanted.Can be mounted anywhere in your vehicle such as in your glove box， on your dash， in your trunk， in your hatchback， in your rear window. Does not have to be grounded (radio must be properly grounded though).Package Includes:1 x Hidden Antenna