... /50Hz 2.Cut-out(mm):125 3.Material:Aluminum 4.Size:4"5"6" 4 inch Horizontal Down Light Specifications1.Power:1*13W,1x18w2 ... cold-rolled steel, stamping into shape,solid and durable structure.4.Reflector made by super quality pure aluminum, surface treatment by ... to exhibition centre, shopwindow, exclusive store, museum, supermarket, hospital, etc. 4 inch Horizontal Down Light