Material:Stainless Steel 1. Product Name: Mini Electric Egg Beater 2. Power: 2 5th battery 3. Size: Semi automatic mixer: small 25cm, medium 30.5cm, large 35cm 4. Uses: egg, cream, stirring (milk full-fat pure milk works best, low fat, skim and fresh milk is not good. Warm milk foam is fine, hot milk is not good. 5. Note: There is a slight error in manual measurement. There may be chromatic aberration in the display. Please refer to the actual product.