Electric Chain Hoist, Duty Classification H4, Mount Type Hook Mounted – No Trolley, Maximum Lifting Capacity 275 lb, Number of Speeds Variable, Programmable Non-Programmable, Fixed Lift Speed Not Applicable, Minimum Lift Speed 0.15 m/min, Maximum Lift Speed 30 m/min, Trolley Speed Not Applicable, Maximum Lifting Length 16 ft, Current at Minimum Voltage 3.1 A, Current at Maximum Voltage 3.1 A, Motor Horsepower 1 hp, Operating Voltage 480V AC, Headroom 14 5/16 in