SINEDY 12V Car Power Antenna Aerial AM FM Radio Mast Kit Cosy Specialized Brand new and high quality. Meterial: stainless steel of the body, steel of the amount. AM/FM Radio received. Full Automatic when you connect it to the power cable Connection:Wiring (three) connection: red wire to the positive power supply, the black wire with grounding lug, the green line has two configurations: one is a direct positive power supply, so that the antenna with the power-off and landing, one is connected to another control lines, so the antenna can always control movements. Voltage: DC 12v. Electrical current: 0.8 Amp. Mast Materials: Stainless Steel. Extended: Around 750mm. Under Fender: 325mm. Cable Length: 1200mm.