NOKIN Solar Stud Light With a double-sided lighting design, made of reflective materials, die-cast aluminum shells, solar panels, LED, energy storage batteries, and controls. NOKIN Solar Stud Light combines active lighting and passive reflection as signs. LED chips are 4pcs/6pcs optional. It is currently the most mainstream solar stud light solution on the market, used by engineering companies, wholesalers and retailers for decks, highways, crosswalks, and lanes.