About This 【New Version 2.5】This version has a new inner chute design. The plasma generator probes wrap around the inner chute. The old version has probes inside the chute. 【64mm Flat Burrs】Custom made 64mm stainless steel flat burrs. Upgradable to SSP burrs for different coffee tastes. 【Single Dose & Zero Retention】True Zero Retention <0.1 gram. Even without bellow this grinder reaches almost zero retention. Use blow-out funnel with lid to completely empty the dead space. 【Plasma Generator AKA Ionizer】Plasma Generator inside exit chute reduces static. 【Stepless Adjustment】Redesigned dial is wrapped with chrome. The included metal indicator makes grind size so much easy to adjust. The adjustment is stepless. It can be dialed in for espresso with high precision. 【Anti-Popcorn Disc Integrated】The integrated Anti-popcorn disc prevents jumping beans and increases grinding speed. 【58mm Aluminum Dosing Cup】The 58 mm dosing cup is made up of food grade aluminum. While a portafilter can be used in the portafilter rest, it is best to use the dosing cup, especially if your portafilter isn’t 58mm. Dosing cup is made of food grade aluminum. 【Voltage】110V US plug Overview Color : Black Brand : MiiCoffee Material : Aluminum Style : Modern Item Weight : 15 Pounds