Koval Inc. Electric Ice Shaver Snow Cone Maker Machine 200w Safe to Operate: Automatically cuts off when the hopper handles are in the open position. ; Waterproof on / off switch, guarantees safe operation. Extra High Working Efficiency: Highly efficient motor can produce 143 lbs of shaved ice per hour to meet demands for large amount of ice in a relatively short time. Stable Heavy Cast Base: Heavy cast base offers a fully stable workstation so that vibrations and noise will be reduced to the lowest degree The Hopper and Casing are constructed from high quality anodized aluminum to ensure that even with years of frequent use, they won't rust and will stay easy to clean. The Shaving Blade and Ice Bowl is constructed from high quality Stainless Steel for durability and longevity.