Refrigeration systemWith the patented consitant-temperatured cooler milk timer system.Milk can last up to 24 hours.At the same time equipped with milk timer system. WIFI: Built-in wifi system . you can control the machine through mobile phone connection. Language choices: English . German . French . Spanish . Italian . Russian . Korean . Japanese . Arabic and so on. Automatic milk frothers cleaning systemPatented Inserted Frother Design.Be cleaned automatically without hand operation. After-sales service: customer service 24 hours online service . returns and exchanges within 30 days . 18 months after-sales guarantee;