Safety Design: The blade cuts along the side of the lid without touching the food inside. Plus, it ensures a smooth cut with no splinters for extra safety. Battery Operated: Runs with four AA batteries (not included)! Electric Can Opener: Get an electric can opener and bottle wrench. Easy Cooking: Take the struggle out of cooking with these easy can, tin and jar opening solutions! Easy To Operate: Push the button to turn it on, for a 360° cut along the lid. Push the button again to stop! Easy To Grip: A great help for people with challenges gripping, such as those suffering with arthritis or stiff joints.