Electric Chain Hoist, Duty Classification H4, Mount Type Hook Mounted - No Trolley, Maximum Lifting Capacity 500 lb, Number of Speeds 1, Fixed Lift Speed 20 fpm, Minimum Lift Speed Not Applicable, Maximum Lift Speed Not Applicable, Trolley Speed 20, Maximum Lifting Length 10 ft, Current at Minimum Voltage 7.6 A, Current at Maximum Voltage 7.6 A, Motor Horsepower 3/8 hp, Operating Voltage 115/230V AC, Headroom 17 5/16 in, For Minimum Beam Height Not Applicable WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)