The Ninja SLUSHi Professional Frozen Drink Maker is the easiest way to make a slushie frozen cocktail or milkshake right at home. No ice needed no blending no hassles. Create tons of drinks with as few as one ingredient for smoother richer tastier results. No more watered-down tasteless drinks. SLUSHi works quickly and keeps drinks frozen for up to 12 hours. 200 Watts.