The Exitronix S900U-WB-SR-R-WH is a LED Edge-lit Exit Sign 120-277V with Battery Backup Double face Red Letters in White color finish. The Exitronix S900 Series LED Edge-lit Exit features a pivoting design for simple installation in any application, including surface and recessed wall, ceiling and sloped ceilings. Includes surface mounting canopy as well as hardware for recessed mounting applications, making this the most versatile Edge-lit sign available. The S900U option includes both singleand double-face configurations for easy ordering and stocking.