Burr sizeFlat burr 64mm Grind setting range Step-less adjustment French Press to Espressos -0.5 to +3.5mm vertical movement Each line (0.1) moves 0.01mm (10 micron) vertically Typical dynamic grind retention* With RDT: Without RDT: *for most beans and use case. Size and weight 21 × 13 × 38 cm 7.8kgs 8.2 × 5.1 × 15 inch 17.2lbs Grinding speedAdjustable RPM, 300-1400 RPM with load Grinding throughput0.8g/sec up to 2.2 g/sec at espresso-setting Construction Material 6061-T6 CNC machined and anodised aluminium Bean loading capacity Funnel holds up to 40g whole beans Beans can be fed continuously for large batch-brewing Motor300W Brushless DC motor Voltage100-120V or 220-240V