Feature This Chair Unit fits better for optical shop looking for a product of reasonable price owing to visitors characteristics of a shorter stay and more simple examination than clinic. However, it has the same functions as RC-200, RC-500, Powered Up & Down, Table Unit Control and foot switch control. Specification Chair External Dimension 640(W)*650(W)*1050(H) Chair Seat Height Min.450 ~ Max.700 Up/Down Stroke & Speed 250mm, 15mm/sec Allowable Loading Weight of Chair 150kg Rated Voltage AC110 or 230V / 50 or 60Hz Power Consumption 100VA Product Weight 35kg