Detailed product description Table capable of rotating 90o Finely constructed electronic chair promises smooth up/down movement Ophthalmic stand Specifications Chair movements : 150mm Min. Height~520mm max. Height~670mm Main tabletop size : 1000mm520mm Box lenses drawer size : 590mm380mm60mm Rotation angle of the main tabletop : 0~90o Counter-balanced vision tester arm vertical adjustment range : 25o Power : ac 220v~240v 50hz Net weight : 155kg TypeSize diameter/mm)Net(kg)Gross(kg)VolumeAmount Host wooden box1150*1000*950901201.12 Seat wooden box980*790*103040650.82 Pillar box1420*250*35012200.1251