Automatic speed regulation system. Removable knife and blending disk, Robot-Coupe patented special assembly. Ultra durable metallic beater box for preparing foods such as pancake batter and mashed potatoes. Model Power Voltage Speed Speed Tube Length (mm) Dimensions Weight MP 450 Combi Ultra 500 Watt Monophase 1500-9000 rpm in mixing 250-1500 rpm for whisking 450 805mm