At night or in rainy and foggy weather, indicating the direction of the road, etc., Solar Road Markers is composed of retroreflective materials, shells, solar panels, LED light-emitting tubes, information collection, car networking communication and control devices, with active light-emitting and passive light-reflecting performance luminous induction instructions , Solar battery charging, sensory information collection module, car networking communication, integrated intersection signal light linkage “five in one” visual guidance traffic safety function, usually Solar Road Markers combined with signal lights, guidance screens, signs, markings, signs, etc.