Electric Chain Hoist, Duty Classification H4, Mount Type Motorized Trolley, Maximum Lifting Capacity 1,000 lb, Number of Speeds 2, Programmable Programmable by Internal Controls, Fixed Lift Speed Not Applicable, Minimum Lift Speed 4.2 fpm, Maximum Lift Speed 25 fpm, Trolley Speed 80/13 fpm, Maximum Lifting Length 15 ft, Current at Minimum Voltage 3.3 A, Current at Maximum Voltage 3.3 A, Motor Horsepower 1 hp, Operating Voltage 380-460V AC, Headroom 17 5/16 in, For Minimum Beam Height 4 13/16 in