Nanopresso Portable Espresso Machine DESCRIPTION Built around a newly patented pumping system and no battery/electric need, the Nanopresso is powerful. With the help of your hands, a maximum of 18 bars (261 PSI) of stable pressure is created during extraction for unparalleled coffee. It is more than what most home espresso machines can deliver. The Nanopresso works best with all varieties of ground coffee. Add the boiling water to its tank before preparing coffee and then pump manually. it is delightfully easy to operate and easy to prepare your favorite coffee wherever. The Nanopresso requires 15% less force to pump compared to the Minipresso. Specifications: Capacity: 80ml Length: 6.14 in / 15.6 cm Material: Plastic Type: Portable Handheld Coffee Maker Function: Espresso Coffee Machine Maximum Pressure: 18 Bar Water Tank Capacity: 80 ml Ground Capacity: 8 g Color: Grey Package Includes: 1 x Nanopresso Portable Espresso Machine Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color(s) of the item. We guarantee the style is the same as shown in the pictures. 2. Please, allow slight dimension difference due to different manual measurement. 3. The measurement allowed error is +/- 1-3cm.