... large professional manufacture.1.Specification E40,28W GLC- LD01,28W,40W,48W,56W, GLC- LD02,80W,96W,112W, GLC- LD03,120W ... Temperature<50Idemitsu PerspectiveHorizontal140Vertical77Efficiency>90%Power Factor0.99Protection GradeIP65Facula ShapeZosterFacula 28w 40w 48w 56w solar light