1,CE,ROSH certificate. 2,Light source :LED light,energy saving. 3,Optional color:W,G,Y,R, ... °,45°,60°,for example.Parametre:1.Light source:Light power LED flood light.2.Voltage:24V/110V-220V,could be made ... lighting.Package:enviromental protative cloth/carton/customer require. high power led changing washer wall lamp