Note: 1)Too coarse a grind, too little coffee, or insufficiently tamping the grounds before brewing can all lead to inadequate pressure for a proper brew. 2)It is important to note that the amount of espresso extracted will vary depending on the grind size and amount and reprogramming may be needed when the size and amount are adjustedPerfect Coffee Every Time: This pump-free coffee maker heats water to the correct temperature for coffee extractionBrew-Volume Selector switch for brewing half or full carafesEasy to Use: The Moccamaster brews a full 40 oz pot of coffee in 4-6 minutes using one switchQuiet and Safe: The Moccamaster Select quietly brews your coffee and automatically turns off after 100 minutes