LED Exit Sign, With Ni-Cad Battery Back Up, Recharges In 24 Hours, Red Letters On White Thermoplastic Housing, Dual Voltage 120/277, Uses Less Than 2W, Can Be Configured As Single Or Double Facing Directional Knockout, Chevrons UL Damp Location Rated, Snap Fit Construction For Under 5 Minute Installation, Snap Fit Canopy Included, Universal J-Box Mounting Pattern, 7-1/2"H x 11-11/16"W x 1-3/4"D, UL 924 NFP101 Compliant.