APICAL Car New Shark Fin Antenna (Black) For Xcent Satellite Vehicle Antenna

Please check the product before installation, without any problems then installed. 2, this product is controlled by light and vibration sensors, and shake in low light flashing on their own environment, in the light automatically turns off (or will self-extinguish after a standstill for two minutes). Please look on the dark and under shock flashing check whether this product, if not flashing the chip may be protected. The tail lights in the sun or under the photo for a re-test.