Led Emergency Exit, Precision Molded Thermoplastic (Enclosure) Material, Universal Single/Double Faces, Red Text Color, 90 Min Emergency Illumination Time, 120 V Ac;277 V Ac, 4.5 W, 4.3 In Depth, 12.6 In Length, 8.2 In Height, White, Battery Included, Nickel Cadmium (Nicad);Nickel Metal Hydride (Nimh) Battery, 2 Lamps, 2 Yr Warranty, Ceiling Mount;End Mount;Wall Mount, 2.5 LB