led sign moduleDigital LED modules,led clock module,Waterproof led sign moduleDigital LED modules,led clock module Features:1) Low voltage, energy saving ... high brightness, works well under harsh conditions3) Full rang of colors: red, yellow, blue, green, white 4) Input voltage ... and consistent current6) Available in 1-LED, 2-LED, 3-LED, 4-LED, 5-LED and 6-LED versions 7) Application:a) Backlighting ...