Led Combination Exit/Emergency Light, Thermoplastic, Universal Faces, Red Text Color, 90 Min Emergency Illumination Time, 120 V Ac;277 V Ac, 4 W @ 120 V Ac;4.06 W @ 277 V Ac, 4.3 In Depth, 18 In Length, 8.2 In Height, White, Battery Included, Nickel Cadmium (Nicad);Nickel Metal Hydride (Nimh) Battery, 2 Yr Warranty, 2.5 LB