Hot selling aluminum housing waterproof solar road Solar Road Studs Nz For Sale-Nokin Solar Road Markers. This aluminum LED solar road stud is naturally charged by the sun. The battery might be out because of keeping in stock for a longtime, It’s not mal-funtion, Pls install it under the sunlight for charging when you use it.The solar road stud for motorway is ideal for illuminating paths, decks, docks, boats, driveways, stairways, pavements.