Electro-Mechanical Door Closer, Norton 7705 Closer Series, Interior and Exterior, Automatic, Hydraulic, Closer Performance Heavy Duty, Closer Type Electronically Controlled, Non-Handed, Ligature No, Closer Mounting Style Parallel, Regular, Top Frame, Standards ANSI A156.4 Grade 1, No, Finish Natural, Arm Material Cast Aluminum, Arm Type Parallel and Top Jamb, Regular, Color Aluminum, Exterior Door Width Up to 48 in