... ,we are factory 3,energy conservation 4,easy to 1,led single color 's characteristic: (1),the single color make the ... have access to it. (4).use the high qulity chip,in order to keep the high bright,keep the same color ... ,and keep the long lifetime. (5),suit outdoor advertising .2,led single standards attributeparameterapertuer9mmcoloryellow,white,red,green,bluevoltage5Vpower0.1wviewing angle120°(round ...