UL Listed 50 foot Jessup Glo Brite 7050-B 8.75-x-15.5-Inch Single Sided Exit Sign with Frame, Red (Mounts 4 ways, includes bracket and arrows) Green alternative, zero energy consumption, contributes to LEED points Zero maintenance, no bulbs, no battery replacement Non-radioactive No electrical to run or battery backup, Charge with LED, fluorescent, metal halide or mercury vapor light UL924 listed, 50-Feet viewing distance