Features: High quality. Fully automatic after connecting to the power cable. Easy to use. Booster effect AM/FM radio reception. This kit comes with power cable, antenna cable connector, mounting brackets, main antenna (motor and mast), and that's all you need for the replacement. Specification: Section: 5. Capacity: 80+-3pf. Voltage: DC12V. Electric current: 0.8 A. Cable length: 1200 mm. Extension: 750 mm. Under fender: 325 mm. Mounting fender diameter: 15 mm. Main color: black. Material: stainless steel in the body, steel in the frame. How to connect: Red line: positive, black line: negative, green line: there are two connection methods, one is connected to the positive, the antenna can be raised/lowered with the power on and off; The other connection is connected to the control line of the customer's car and connected to the switch on the trolley. The antenna can control up and down at any time. Package includes: 1 x Stainless Steel Antenna Kit