... also have par30,par38,par56 from 3 to 18W) 2.High pressure die-casting aluminium housing ,good heat dissipatio LED par38 12*1wFeatures& ... :1.Par 38,12*1w2.High pressure die-casting aluminium housing ,with electro-static coating surface and high anti-corrosion property,good heat ... dissipation,PMMA lens efficency light transmission3.90-100lm/W high brightness4.Viewing angle:15,25,38,45,60degree is ...