This sleek, single column design is ideal for medical professionals. As always, the smooth & quiet 4-motors control the height, backrest, footrest, & seat inclination; the Nico D can sit at a 90° angle and can also lay flat, perfect for multiple treatments. The armrests are reversible & the headrest/footrest can be extended or removed -- This chair also features an additional round headrest that can be interchanged.