Designed for recessed ceiling mounting applications requiring a flat trim plate; for recessed wall-mounted signs see next page. It achieves superior visual clarity and performance with an LED light source. Red LEDs of ALINGAP technology. High brightness LEDs transmit light directly into both ends of a unique U-shaped panel. LED sensitive inks are formulated to provide a rich color in red or green. Virgin acrylic panel provides optimum light transmission. Illumination is 100 percent in both AC and the emergency Clear acrylic panel is silk screened and computer engraved. Computer engraving is used to crisply define each letter and chevron. LED sensitive inks are formulated to provide a rich color in red or green. Choice of legend background includes: Clear for single face , White or Mirror for single or double face mode. UL listed to UL 924 Standard. 5 year full warranty.