This is a full automatic tire truer, feed speed is adjustable, include a special blade that allows you to cut foam or resurface rubber tires, this unit is capable of restoring traction on rubber tire surfaces, now you can race your rubber tires up to 20 runs instead of just 2 or 3 runs, comes with a high torque ultra low rpm drive motor, horizontal and vertical movements are very smooth and accurate, parts are CNC machined to exact specification, include an easy access reverse switch, adjustable camber angle for foam tire application, clamp type mounting hubs ensure your tire spin perfect true, 12VDC operation, also works with small 12V gel battery and small AC-to-12VDC power supply, a very nice carrying case is included, no wheel adapter is included, all adapters may be ordered seperately from RC4LESS.