Nora Lighting NX-503-LED/BG Universal Exit Sign LED Emergency light AC only Green Letters / Black HousingNORA Lighting NX 503 LED BG NX 503 LED BG Product Description Compact, low profile LED exit signs are as brilliant and visible as standard incandescent signs, yet use a fraction of the power. LED light sources require no maintenance for 25 yearssaving greatly on maintenance and upkeep costs. LED exits are ideal for commercial and industrial standard non emergency applications where low maintenance and operating costs are a must. SPECIFICATIONS : Body