The NABCO GT 710 has a proven hydraulic design for proven reliability. In manual mode, door opens with very little pressure and closes slowly providing easy operation for handicapped or elderly pedestrians. Compact 5-3/4” x 6” (146.0mm x 152/0 mm) cross section. Low current draw - less than 3 amp, 115 VAC. Adjustable opening and closing speeds allow the door to close sooner for energy savings or slower for increased pedestrian protection. Works with new or existing door frames.