LED Solar Pavement Marker Road Stud A1 Load Bearing: 20 Tons Warranty: 12 Months Body material: Heavy duty casting aluminum Power supply: Solar panel (monocrystalline 2.5V/0.2W) Visual distance: > 800m Working Mode: Flashing or Constant Waterproof: IP68 MORE Aluminum Raised Solar Pavement Marker R1 Load Bearing: More Than 30 Tons