Electric 4cups high pressure espresso coffee maker Electric Pressurized Espresso Maker Specification: Function Double Valve,Special pressurizing device, focus on cooking the coffee with more cream and foam. Character 1,Special controlling pressure and outflow design, Double normal espresso coffee cream,worth to an expensive machine. 2, Economical,easy to use,same usage as the normal espresso coffee maker. 3,Double electricity protection,double safety valve protection,safer and reliable to use.