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 single and double face configurations for easy ordering and stocking. Clear Face Exit Sign - Green Letters - LED Light - 120/277V - With Battery Backup