Electronic truck wheel balancer Automatical start/stop Automatic distance and wheel diameter measuring Self diagnosis Self calibration Changeable between gram and ounce Changeable between millimeter and inch Protection cover 4alu function for light alloy wheels Full screen display for the a.D.B.Reading Cycle time:8sec. Max.Wheel weight:120kg Max.Power absorption:350-500w Standard power supply:110v/60hz 220v/50hz 1ph;380v/50hz 3ph Balancing speed: