Electric Chain Hoist, Duty Classification H4, Mount Type Hook Mounted - No Trolley, Maximum Lifting Capacity 4,000 lb, Number of Speeds 1, Fixed Lift Speed 10 fpm, Minimum Lift Speed Not Applicable, Maximum Lift Speed Not Applicable, Trolley Speed 10, Maximum Lifting Length 20 ft, Current at Minimum Voltage 14.5 A, Current at Maximum Voltage 14.5 A, Motor Horsepower 1 1/4 hp, Operating Voltage 115/230V AC, Headroom 26 1/16 in, For Minimum Beam Height Not Applicable WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)