For housing, we can choose Die-cast metal or ABS plastic. We all use food-grade SUS304 material for the mixing bowl, which not only ensures food safety, but also ensures the durability of the product. Both AC/DC motors are available and can be replaced according to customer needs. All-metal gears + solid inner vertical structure, pure copper motor with overheating and overload protection. Low operating noise: 68-75dB. Some model also have smart LED display and timer function, and touch screen function for time/speed setting, with 10 speed speeds, which can also be directly adjusted while working. It can be automatically turned off when the time is up. We currently have more than 20 Stand mixer, each with 4-6 color options, and are constantly innovating. If you need to customize other colors, please contact customer service to learn more!