The aesthetic streamline design of shark fins shape antenna can reduce wind resistance during driving and give the car a natural and fashionable temperament. The bottom plate is made of self-adhesive, which has high-density bonding, firmness and no falling off, simple and quick installation. The exterior of ABS is painted with baking varnish, which is durable and does not fade. The internal chip uses all-copper conductor wires, which effectively transmit static electricity and are a better conductor compatible receiving signals. The length of this product is 17cm, the width is 7cm and the height is 6.7cm. Various color styles are more noble, cool, pure and elegant, stable and calm. It is suitable compatible most cars, suv, etc. Item Name: Shark Antenna Material: ABS Compatible Models: Universal Size Details: Size: 17cm x 7cm x 6.7cm/6.69" x 2.76" x 2.64" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Installation steps: 1. Wipe the car roof clean, and unscrew the original car antenna; 2. Screw on the antenna screw to link with the shark fin line; 3. The antenna link is successful; 4. Install the original car line position and compact it. (When installing, you can use hair dryer or turn on the car heater, heat self-adhesive at the air outlet and then paste it. If you are worried about signal problems or worried about unsightly shark antenna, you can install the antenna signal line firstly. Try the effect of the radio, if you think antenna works, than paste it ) Package Includes: 1 x Signal Receiving Chip 1 x Screw 1 x Nut 1 x Shark Antenna Shell