Automatic Can-opening-- The Automatic can opener uses innovative technology. Just press a button to automatically open the can and achieve a smooth edge opening. It is suitable for all sizes of cans. (excluding rimless cans and peculiar-shaped cans) Kitchen Helper-- Effortlessly open cans with a touch of one button. Easy to use. Ideal for the Chef's, Arthritis, Weak Hands. Perfect for kitchen use. Battery Powered (Not Included)-- After putting in 2 AA batteries and press the stand-alone button, the can opener begin to walk around the can edge automatically. and it features the safety grooves and sliding gears to help prevent accidental finger scratches. Easy to Clean-- There is no need to wash the product with water, can use a clean damp cloth to remove stains on the product, quickly and easily achieve cleaning. Ergonomic Design-- Small streamlined body gives you a comfortable handle, vibrant and charming colours, compact and convenient, easy to use and hold, easy to operate.