1.Synchronous machine with electro-magnetic brak,60W 220V 50HZ 60W 110V 60hz 2.Loading capacity:70KG 3.Lifting up&down in a closed way 4.Traveling with double orbits, moving smoothly and quietly 5.Travel Length:680/770/855mm Packing:carton Weight:35KG Dimension:95cm*45cm*40cm