High-volume coffee machine, suitable for delivering large cups; made of high-quality stainless steel with sprayed surface; built-in water circulation and capacity measurement system to maintain stable water pressure; mother-child dual boiler design for stable water and gas output; automatic gas supply system with continuous water discharge button; safe electric heating and constant temperature system; stable supply of 9 Pa water pressure and water temperature of 90±5℃; dual function: dual steam outlet, dual coffee outlet, one water outlet; designed for extracting coffee essence; ultra-high temperature protection, ultra-high pressure protection, suitable for latte art coffee