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Behind the driver is very difficult to judge the front of cyclists to turn or stop. Relative to the car, bicycle without lights these tips,Instruct the safety cap is solved to some question of bicycle. In his helmet behind the display, can display some basic instructions, to remind the people behind. Instruct the safety cap is used on the solar panel and storage, can be used to indicate the power supply screen. Users in the handle of the car in front of a WIFI device, the operation can prompt feedback to safety behind the screen, so that users and people in the back can understand each other, driving safer
China Academy of Art