Nokin IP68 Solar Road Studs Cat Eye Road Stud Reflector for Road Safety X5 can be used up and down ramps, midline and separation lines, entrance warning, carpool lane, bridge, crosswalk, guide line, traffic island, roundabout, apron, mountain road, airport taxiway, NOKIN Solar Dock Light X5 can also be used on bike lanes and sidewalks, taxiways on ships and ships, entertainment areas, parking