The solar cat’s eye is a traffic warning light consisting of a plastic casing, solar panels, a controller and a light emitting unit (LED), which is used to manage the safety facilities of road traffic. Solar cat eyes are mainly installed on dangerous roads or bridges with potential safety hazards, such as ramps, school gates, diversions, road corners, sidewalks, etc. The solar road studs charge during the day and automatically light up at night, and can be used for roadside, village, park, garden or harbour.