... jumpy changingSpeed and Brightnessare adjustable21B/G crossfade9Seven-color jumpy changing22G/R crossfade10Three-color gradual changingBrightness is unadjustable, Speed is adjustable.23All ... are professional Shenzhen based LED controller factory, specialized in LED RGB controller, LED single color controller, LED touch controller, LED DMX512 master, LED DMX513 ...