Features: 1.3 display windows, bigger digital display 2.Many kinds of balancing modes to suit for different tires 3.Indicator for selected unit of measure (inch/mm and gram/ounce) 4.OPT Program to optomize tire and rim matching 5.Built-in fault self-calibration and self-diagnose programme to survey the condition of key units 6.Push botton control desk,longer service life and better feel 7.Automatic gauge or manual data input modes at your choices 8.40mm strong shaft support,taper match between the shaft and the adaptor,higher precision,longer service life and wider test range (It could handle low profile tire and for a 380V machine,it could balance 750-820 middle-truck tire) 9.Foot operated main shaft lock system,help the operator lock the balancing point 10.3 kinds of wheel mounting mode at your choices Parameter Power supply 220/380V Power 0.25/0.4Kw Rim width 1.5/12 Rim diameter 12/24 Max wheel diameter 650/825mm Balancing time 7s Balancing speed 180prm Balancing Precision +1/-1 Net/Gross Weight Packing dimension