Features: 1) Automatically START / STOP 2) Automatic distance and wheel diameter measuring 3) Self diagnosis 4) Self calibration 5) Changeable between gram and ounce 6) Changeable between millimeter and inch 7) Protection cover 8) 4ALU functions for light alloy wheels 9) Color video display Specifications: 1) Cycle time: 8s 2) Maximum wheel weight: 70kg 3) Maximum power absorption: 180 - 370W 4) Standard power supply: 110V / 60Hz, 220V / 50Hz (1ph), 380V, 50Hz (3ph) 5) Balancing speed: ≤200rpm 6) Balancing precision: ±1g 7) Rim diameter: 10 - 24 (265 - 615mm) 8) Rim width: 1.5 - 20 (40 - 510mm) 9) Net weight with cover: 140kg 10) Noise: