1. Low-carbon, environmental,energy saving. 2. Without wire connection. Only stick on the top of car after tearing the bottom of the product. 3. With lithium battery inside. Applying A grade high capacity lithium battery with durability. 4. Charging automatically. Applying high efficiency solar charging board with high charging performance, after absorbing the strong sunlight for three hours or absorbing light in rainy weather for 8 hours, the products normally could work for 3-5 days, 15 hours to absorb the strong sunlight could work normally 15-20 days. 5. High brightness.The brightness is close to the taillight. The LED light with good stability .square slice wick of which is customized in Taiwan,in the measurement of 15*15.It can caution well when driving. 6. Baking vanish,not spray paint.The same color match with the car.The high surface smooth finish and anti-corrosion anti-aging are same with the car. various color for option. 7. Open automatically driving warning function. Built-in high sensitivity vibration sensor and photographic system in driving and dark flashing under the environment of the automatic. 8. Work intellectually, with light and shock sensor system, work automatically during night. 9. Intelligent closed system. Circuit with 14 feet micro controller,dual-circuits power control,with delay closed system,in the parking and wait for the red process continue to shine,parking or body no vibration 120 seconds after shut automatically.