Motorised Precision & Total Physical Support. Ergonomic design, ideal for micro-surgery. Accurate sitting position & high maneuverability . Noiseless, German DC-Motor controlled height adjustment through convenient foot switch. Back Support with smooth touching action & incline locking system. Height adjustable back-rest. Adjustable multi-position arm support. Simultaneous locking of rear wheels. Molded sear and anti static polyurethane cushion. Accurate foot support.