1.Capacity: 100KG-990KG 2.Lifting height:6-30m 3.ISO9001:2008 certificate ,CE,EMC,GS,LVD, ... : 660W• Lifting Weight: 330lb.(Single-line), 660lb.(Double-line)• Lifting Height: 38ft(Single-line), 19ft(Double-line)• Lifting Speed: 33ft/min(Single-line ... ), 16ft/min(Double-line)• Diameter of wire rope: 0 ...