Located in the Bavaria region of Germany, family- owned Rosle has been steadily creating the best tools and utensils in the world since 1888. Each Rosle product joins design and function in perfect harmony. 18/10 stainless steel is used in production providing a professional utensil that is not only aesthetically pleasing, but hygienic, neutral to flavors and odors and easy to clean. During the development phase - which lasts from 1 to 2-year on average - each product goes through a trial period where it is critically evaluated by cooking schools and professional chefs. During production, Rosle utensils go through an elaborate manufacturing processes and only leave the premises after passing strict quality control. Professional and home chefs alike sing the praise of this integrated collection, widely recognized as the best on the market. With German design and unrivaled material, Rosle continues to receive prestigious design prizes and a growing list of awards. Rosle"s Dual Speed Frother is a versatile addition to the kitchen. Perfect for food prep, the frother is unique because it features two speeds: fast for milk, slow for sauces and vinaigrettes. An additional advantage of having dual speeds is that the frother can be immersed in milk or liquids at a slow speed to start (without splattering and spilling), and once immersed- can move to the faster speed. It is made of 18/10 stainless steel and the drive shaft is made of specially hardened steel for stability and durability. Measuring 8.3-inch in length, the frother features an integrated hanging ring for easy storage on kitchen hooks or with Rosle"s Open Kitchen System. Runs on two AAA batteries, which are included. Hand wash, lifetime warranty.