Specifications:- Voltage: 220-240V ~ 60Hz Input Power: 900W Lifting Capacity: 250kg (single line) 500kg (double line) Lifting Height: 18m (single line), 9m (double line) Lifting Speed: 10m/min (single line), 5m/min (double line) Emergency stop switch Thermal protection Packed in a carton box *Free shipping and delivery