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Ride a bicycle is very dangerous in the night, the bicycle's emergency flash can let the driver more safety when they're riding the bicycle. The emergency flash is install on the bottem center. It enables electricity to be stored and to supply the power to give out the light. There have a circle red light under the bicycle, it obviously to make a attract attenetion in the dark night.
Ming Chuan University
Taoyuan, Taiwan
TSAINI YEH,
Ming Chuan University
WEINING LIANG
HIOWAI LOA