Can be attached to bicycles, bags, etc. It can be seen by the driver from a distance, and is useful for driving safety at night. The main unit moves with vibrations and wind, making it easy to see it. Reflective material in the center of the main unit is used with different colors for improved visibility.
Reflects car lights and lights up from approximately 124.2 ft (57 m), so it is useful to prevent traffic accidents such as at night.