Mueller Pro Series is a smart Electric Pressure Cooker designed in Germany, Convenient and Dependable. It speeds up cooking by 2~6 times using up to 70% less energy and, above all, produces nutritious healthy food in a convenient and consistent fashion. Mueller Pro Series is an 9-in-1 programmable cooker, it replaces 10 kitchen appliances to cook your favorite dishes with the press of a button. A 24-hour timer allows for delayed cooking. Automatic keep-warm holds the temperature of the food until you serve it. Mueller Pro Series generates almost no noise and leaks no steam. It traps all the aromas in the food without heating up the kitchen. The slim body design has lid holders for both left and right handed users. The brushed stainless steel exterior is finger print resistant. Its elegant and durable design makes it easy to clean and pleasurable to use for years to come. Mueller Pro Series uses the latest technology with an embedded microprocessor, which monitors the pressure and temperature, keeps time and adjusts heating intensity. The cooking programs have been lab-tested numerous times for optimal effect. Mueller Pro Series is carefully designed to eliminate many common errors that could cause harm or spoil food. It is UL certified giving you uncompromised safety and peace of mind and protects you with proven safety mechanisms and patented technologies.