This series adopts chips from Lumileds,Cree etc-famous large manufacturers as light sources.Triangle assembly,nice color-mixing effect,super flux,large viewing angle.Four wires to connect,easy installation. Waterproof series uses aluminum housing completely,transparent spoxy resin sealing,beautiful apppereance,perfect heat-dissipating,IP68 protection grade..Jumping changing, gradual changing,light-chasing and rain-bow etc effects are reliable with RSM conroller.Widely used in full-color advertising letters,indoor or outdoor buildings,outside walls cubic full-color illuminance etc.