Standard BL Recessed Edgelit Aluminum Exit Stair Sign Double Face Red On White White Trim Plate Battery Backup Exit Double Arrow No Wall Mount (CARELZXTE2RWWEM DA) nostock Edwards Signaling High Decibel Weatherproof backorder1428 Edwards Signaling High Decibel Weatherproof Vibrating Horn UL Listed To NEMA 4X Enclosure Requirements Volume Adjustable 12VAC (876 E5) Standard BL Universal Single Double Face Black Die Cast Aluminum LED Exit Sign Red Lettering With Backup Battery And Self Diagnostics (KXTEU3RABEM SDT) Standard BL Recessed Edgelit Aluminum Exit Stair Sign Double Face Red On White White Trim Plate Battery Backup Exit Double Arrow No Wall Mount (CARELZXTE2RWWEM DA)