Led Lighting Systems for Channel Letters ans Sign Cabinets With brighter LEDs and wider viewing angles, CL5 offers simplicity and flexibility while providing bright, vivid and uniform illumination for face-lit channel letters, sign cabinets, cove lighting and an endless array of low-voltage applications. • Brighter Leds • Wide viewing angle • Extendable wire (+2”) feature • Constant Current Technology (CCT) • Pre-wired modules for optimal placement • Peel n' stick or mechanical fastening • UL, cUL Recognized, CE, CSA Certified