LED Exit Sign Emergency Light Lighting Emergency LED Light / Battery Backup / Red Letter Dual Voltage 120/277 VAC, 60 Hz | Energy Consumption of less than 2 watt Extra face plate included (Double Face) | Ceiling/back/side mountable (easy snap-fit canopy included) Battery Backup | Completely self-contained | Fully automatic operation Injection-Molded, V-5 flame retardant, high impact, thermoplastic white housing | LED Power Indicator Light UL 924 Listed w/ Damp Location | Chevron arrow pop out | Compact, low voltage diconnect (LVD)