About This 【V2.0】The current version is V2.0 This is the first version of DF83 Gen 2. 【83mm Red Ti Flat Burrs】Better Grinding 83mm Red Titanium espresso flat burrs. Upgradable to SSP burrs for different coffee tastes. 【Plasma Generator (aka Ionizer) 】The exit chute is equipped with plasma generator (aka Ionizer). It reduces static to non-existent. 【4 Strong Springs Mounted around Guide Posts】 4 strong springs mounted around 4 guide posts to maintain the perfect alignment between the upper and lower burr. The range of spring provides support across entire grind size range. 【Single Dose & Low Retention】Low retention <0.1 gram. Blow-out funnel, with lid to completely empty the dead space. 【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. 【Anti-Popcorn Disc Integrated】The integrated Anti-popcorn disc prevents jumping beans and increases grinding speed. 【Full 1 Year Warranty】MiiCoffee provides one year warranty from US Overview Color : Black Brand : MiiCoffee Style : Modern Product Dimensions : 9"L x 6"W x 18"H Recommended Uses For Product : Grinding Material Aluminum : Capacity 50 Grams : Material Aluminum : Capacity 50 Grams