Orbit ESRE-W-2-R-EB-SDT Led Recessed Mount Edge-lit Exit Sign White Cas 2f Red Letters Battery Back-up Self Diagnostic TestOrbit ESRE W 2 R EB SDT ESRE W 2 R EB SDT Product Description Orbit ESRE W 2 R EB SDT Led Recessed Mount Edge lit Exit Sign White Cas 2f Red Letters Battery Back up Self Diagnostic Test Specifications: Category: Exit SignsFull Technical Description: Ac Battery Powered Type; 14 1 4 Inch L X 4 Inch W X 8 Inch H Size; White Finish; Premium Grade Extruded Aluminum Enclosure Material; UL Approval; Damp Location Application; 120 277 VAC Voltage Rating;