led sign moduleDigital LED modules,led clock module,Waterproof led sign moduleDigital LED modules,led clock module Features:1) Low voltage, energy saving, ... rang of colors: red, yellow, blue, green, white 4) Input voltage: DC 12V, professionally designed to be fully ... sealing and consistent current6) Available in 1-LED, 2-LED, 3-LED, 4-LED, 5-LED and 6-LED versions 7) Application:a) Backlighting for ...