This car antenna fits all types of cars, it is easy to install and can be successfully installed without tools. At the same time, three adapter types (M4, M5, M6) are freely selectable and the appropriate interface can be found at any time. The high-quality stainless steel material is waterproof and does not rust, keeping your car in polished condition at all times. The length of the car antenna is 6.5 cm. The small and rather short car antenna upgrades your car and makes it more attractive. Do not neglect the excellent reception performance of a car radio antenna just because the car antenna is short. The short car antenna has advanced structural design and stable and strong signal, you can perfectly receive FM and DAB functions. You can drive into the garage with lower height freely without disassembling the car antenna. As an excellent mini car antenna, you no longer have to worry about all kinds of weather changes, no longer worry about bumps on the road and no longer worry about it breaking when washing the car. You will feel more comfortable and enjoy the driving experience. Package: 1. Car antenna 4.5.6mm adapter