Wheel control unit has one wheel for each axis to move the micromanipulator, and quick buttons on the side to select preferred speed and the device to be controlled. The controller is made of aluminum and wheels and buttons are made of stainless steel. Wheel controller is attached on touch screen unit with USB-cable, that is delivered with the controller.
If user has uMp-3 micromanipulator with uMp-VA software upgrade, the forth wheel controls the virtual axis. With uMp-4 the fourth wheel controls one of the four physical axis.