eTopLighting 6PCS LED Exit Sign Emergency Lighting Emergency LED Light (UL924, ETL Listed) / Rotate LED Lamp Head/Red Letter, EL2CR-6 Dual Voltage 120/277 VAC Extra face plate included(Double face) | Ceiling/Wall/side mountable(easy snap-fit canopy included) Battery Backup | Completely self-contained | Fully automatic operation Injection-molded, V-5 flame retardant, high impact, thermoplastic housing | LED indicator light ETL listed w/ damp location | Chevron arrow-pop out(UL924) | Compact, low voltage disconnected (LVD)