Control and Power KELVIN® SUMO Wrestler® and Other Robotic Vehicles! Portable! Battery Powered!
The KELVIN® SUMO Car Wrestler® Controller is a wired controller that can be used to add remote control. Ideal for testing vehicles with no waiting - have a few in the classroom or students can even take it home! Connect to four motors - two to drive and two for flippers.
For battery operation,  D batteries are required (Alkaline or Ni-Cad).
For a classroom competition, we recommend the KELVIN® Power Supply, 841051, which requires no batteries and has constant voltage and current.