Hybrid mechanism: belt/gear drive system with optical reading of the wheel's position for powerful, smooth and flexible performance. Features H.E.A.R.T magnetic sensors without any potentiometers or friction — for precision that won’t decrease over time, and an unlimited lifespan. Adjustable pressure force with the included set of brake springs — 4 different configurations available, for use with a desk/table, cockpit or Wheel Stand Pro unit (not included)