full color LED pixel lamps: 1.advertise,decoration 2.CE&ROSH&UL &OEM ... 256 grey levelsAdvantage1, Outer lighting, high brightness, easy installation and maintenance. 2,Full color Controller with IC, it can realize the effect of ... color changing gradually, skipping, flowing, running, chasing, scanning etc. After programmed with softwares, it can also display text, graphic ...