MechanicalCharacteristics Dimensions:1580mm(L)x808mm(W)x45mm(H) Weight: 16kg SolarCells:Monocrystallinesolarcells,72cellsina6x12matrixconnectedinseries Construction:Front:High-transmission3.2mmtemperedglass;Encapsulate:EVA;Back:TPT Frame:ClearanodizedaluminumalloyColor:silver