The P2B8 controller has two potentiometers (knobs) and eight push buttons - hence the name. In your DROID patch you can assign arbitrary functions to the bottons and pots. The P2B8 is a good choice if it is your first or your only controller. With the buttons it is possible to "overlay" the pots with various functions, so you are not limited to controlling just two parameters.
Shipping includes a short ribbon cable for connecting the controller to the master or to the previous controller. If you want to place the controller further away from the master, you can purchaser longer ribbon cables here in the shop.
The color of the LEDs in the buttons is white. The P2B8 is also available with other LED colors:
The P2B8 controller is also part of several sets: