Commercial Door Opener Hoist/Right Hand Mount Max Door Height (Ft.) 14 Max Door Width (Ft.) 22 Motor Type Medium Duty Motor HP 1/2 hp Voltage 115 V A safe and easy way to operate small rolling doors and grilles or industrial sectional doors with high or vertical lift Reversal System Adjustable Friction Clutch Radio Receiver - - Standards - Includes Wall mounted 3-button control station Commercial Photo Eyes