4 Keys Formula Breville's espresso machines incorporate the 4 keys formula used by professional cafe machines. Designed to use the right dose of freshly ground beans, ensure precise temperature control, optimal water pressure and create true microfoam milk essential for latte art. You're only a touch away. Intelligent Dosing with Integrated Concial Burr Grinder The dose is automatically calculated based on the last grind, ensuring it's ready for the next use. Assisted Tamping Delivers a constant 22lbs impression to your dose, finishing it with a 7° barista twist for a more polished puck. Precision Measurement If your dose requires a bit more or a bit less, the intelligent dose system auto corrects, remembering the last dose and tamp outcome and adjusting it to ensure you achieve the perfect dose this time. 54mm Stainless Steel Portafilter Full bodied coffee with rich and complex flavors is created using the ideal dose of 18g of freshly ground beans delivered by a professional style 54mm stainless steel portafilter. Low Pressure Pre-Infusion Followed By 9 Bar Extraction An opulent, creamy and caramel colored espresso starts with low pressure pre-infusions, followed by a high pressure (9 bar) extraction process delivered via Breville's 15 bar Italian pump. Thermocoil Heating System Delivers 200°F with PID Temperature Control The Thermocoil heating system with PID temperature control delivers water at exactly 200°F for perfectly balanced flavors. Powerful 266°F Steam for Fast Silky Microfoam Enjoy silky, velvety microfoam milk created with powerful steam pressure.