Powered Door Operator, Norton 5845 Closer Series, Interior and Exterior, Automatic, Hydraulic, Closer Performance Heavy Duty, Closer Type Electronically Controlled, Non-Handed, Ligature No, Closer Mounting Style Top Frame, Standards ANSI A156.19, UL and cUL Listed, Yes, Finish Black Painted, Arm Material Steel, Arm Type Parallel, Regular, Color Black, Exterior Door Width 48 in