Product Contain 6 parts: 

Alum Housing(Die-casting)

PC Reflector

Glass Cover

LED chips board

Driver 

Wire

Die-casting aluminum housing, good at heat dissipation better than punched aluminum.

PC reflector after long time lighting, won't become yellow and out of shape.

Glass with IK05.

                   Our cooling strip is higher and thicker                                                                      Others

                      Our glass thickness 3.5mm                                                                                    Others:1.8mm