... (high temperature, cold resistance, UV) shell and PCB board, also 4 spell line with blue,green,yellow,red ... 9*1.250PCS/stringGreen512-528Blue463-475ADS-12ICRGB Full color led single light Parameter ItemParameterunitWorking VoltageDC5VPower0.3WWorking Temperature-35- ... of high resolution for outdoor plates9. Designed for both indoor and outdoor use10.Channel letter backlighting11.,With high brightness, ...