Baratza Encore Conical Burr Coffee Grinder + Porcelain No. 4 Coffee Filter Cone + Paper Filters Speed Control: Uses a combination of gear and electronic speed reduction to control the rotation of the burr to 450 RPM. On-off Switch: The Encore has an easy on-off switch. Brewing Methods: The Encore is a great grinder for manual brewing and espresso. Bean Hopper Capacity: 8 oz (227g) Power Rating (North America): 110 V AC 50/60 Hz. 1 Amp