... with LED lamp,charged by Solar,enable the LED flash in dark enviorment to reduce the risk of rear end. Solar LED ... on. Built-in high sensative vaberate sensors, and light sensor system. Automatic turn in low-light enviorment.7. ... -foot chip,dual-loop control, with delay shut down system, in the process of parking or red light, continue blink ... the tunnel) + driving = Flash Solar Car Antenna with LED lamp