Automatic START/STOP Automatic distance and wheel diameter measuring Self diagnosis Changeable between gram and ounce Changeable between millimeter and inch Protection cover 4ALU functions for light alloy wheels Full screen display for the a.b.d.reading Cycle time 8sec. Maximum wheel weight 70Kg Maximum power absorption 180-370W Standard power supply 110V/60Hz 220V/50Hz(1ph) 380V/50Hz(3ph) Balancing speed ≤200rpm Balancing precision ±1g Rim diameter 10"-24" Rim width 1.5"-20" Net weight with cover 140Kg Noise <70dB