Features:High automation. Easy operation.Two muddlers (one small, one big) for different vessels and liquors.Velocity can be preset and controlled in highly accurate and sensitive steps.Specifications:Velocity range (100~2000)rpmMaximal capacity 8000ml (water)Operational Continuity >8HOURSPower 220V/ 50Hz/ 60WDimension (300×200×620)mm3