ToTT Safe Cut Automatic can opener is the safest, quickest, easy-open, soft-edge can opener that comes in handy and does all the hard works for you. It’s a friendly Can Opener that even children, grannies, and people with arthritis would never doubt using. No more fighting with your can opener. No more finger cuts! Kitchen Mama portable can opener is battery operated (battery not included) so you can bring it whenever wherever. Kitchen Mama can opener will free you from those dreadful moments in 3 easy steps: Lay the can opener flat on top of the can. Make sure the blade and the metal gear is aligned between the edge. Push the Start button, no need to keep your finger on it. Let it whirl around and once done, press the button again to stop. Lift the can opener with the lid attached to it and you’re done! Cleaning: Kitchen Mama Can Opener can be cleaned with a damp towel. Do not submerge or clean under running water. Do not wash in the dishwasher. Note: * Please use four AA alkaline batteries. Batteries are not included in the package.