... 0.67KGFEATURES:1,0.4mm*48 pcs fins, supporting 15W lamp’s cooling.Beam angle 20 degree.2,Compared to the ... bigger., air convection is better.3,With hiik up connecting structure, its easy to assembly the components together, very efficient for ... mass production or DIY users.4,The cooling structure is under patent protection included the appearance. APPLICATIONSWidely used in ...