Feature:Technical parameters:1.Voltage:AC220V 50HZ2.Power:230W(max)and low power consumption, energy saving.3.Under weight pressure:250KGS(max)4.Seat height adjustment: 530mm (minimum)-650mm(maximum)5.Backrest adjustable angle: range from degree 90-1356.Pillow flex:100mm (folding, detachable)7.Size: 790x750x1335 (mm)8. Rought Weight:112KGS Net Weight:80KGS