Tatco LED Exit Sign with Battery Back-Up

Automatically turns on when power fails. Energy-saving LED light source lasts up to 25 years. 120/277 dual-voltage input. Sealed, maintenance-free back-up battery provides 90 minutes of emergency operation and lasts up to ten years. Fully automatic charger. Front and rear stencils with snap-out directionals. Mounts on ceiling or wall. Mounting hardware included.