Technical features： Self-calibration Ounces/Gram selectable MM/INCH selectable Normal, Static, AL1, AL2, AL3 balancing modes Technical data： Rim size 10?-24? Rim width 1.5?-20? Balancing speed 200R.P.M Accuracy 1gram/0.035OZ Maximum wheel weight 100LB Maximum tire diameter 51? Automatic data entry No Weight position resolution 1degree Self calibrating Yes Power supply 110v/220v Truck adapter set Optional Limited warranty 1 year parts only Shipping weight 350LB