No battery/electricity need/Manual operation only! Nanopresso is one of the best and most versatile espresso machines. Built around a newly patented pumping system, the Nanopresso is capable of reaching, with the help of your hands, a maximum of 18 bars (261 PSI) of pressure for unparalleled coffee extractions qualities. | Achieving the perfect espresso shot is far from easy. The Nanopresso works best with finely ground coffee that is tamped hard. Thanks to its innovative construction and easy operation, Nanopresso will help you brew perfect cups with a nice and dense crema layer every time. | It is delightfully easy to operate and simple to use. The Nanopresso requires 15% less force to pump compared to previous models (1st generation Minipresso). When necessary, every components of the portafilter are easily separated for deep cleaning. | Note: Accessories are sold separately! You can buy Nanopresso NS Adapter or Nanopresso Barista Kit accessories separately in order to use Nespresso** Original capsules and most of compatibles or make double espresso shots. Nanopresso Protective Case also can be purchased from Wacaco. | If you have any problem with our products or need help, please feel free to contact us through Amazon. We will respond you in time and give you a satisfactory solution.