This series adopts the high-stability chips as the light sources from the internationally famous manufacturers Lumileds,Cree etc,meanwhile uses copper bracket with large heat-dissipating panel,is wholly-waterproof sealed with waterproof grade IP68,is very stable,with super flux,perfect heat-disspating,slow light-weakening and large viewing angle,is widely used in channel letters,signs,light boxes,landscapes and stage decorations etc.