Cool the beans quickly and remove the chaffs and collect silver skin below Power: 40W Voltage: 110V-240V 4200r/min Huge capacity: 600g(1.3lb), easily cooling, can cool within 2 mint for 400g, 3-5mint for 600g Diameter: 21cm Two layers of mesh, big enough for one time large quantity beans Package: coffee bean cooler*1, spoon*1