changing adv signs led 1.easy to use 2.long lifespan 3.energy saving 4.best cost performance through hole led module Product name ... : LED sign light,through-hole 8Application:Siganboard &Channel lettersLED ... 3WattOperating temperature: -20ºC ~ +50ºCEmitting color: W,R, G, B, YLuminous output each color:W 5000, R 3000, G 5000, B ...