Powered Door Operator, Norton 5711 Closer Series, Interior and Exterior, Automatic, Hydraulic, Closer Performance Heavy Duty, Closer Type Electronically Controlled, Non-Handed, Ligature No, Closer Mounting Style Regular, Standards ANSI A156.19, Yes, Finish Aluminum Painted, Arm Material Steel, Arm Type Hinge (Pull) Side, Slide Track, Color Aluminum, Exterior Door Width 48 in