Bartelli Soft Edge Automatic Electric Can Opener with Assistive Auto-Stop &ndash; Blue Innovative new design with our newest Assistive Auto-Stop technology easily opens any size can with the touch of a button, automatically stopping when its done. Simply mount the can opener on the can, press the button to turn it on, and watch the can opener swivel around the can and stop on its own when its finished. Automatically cuts around the side of the can to eliminate sharp and dangerous edges, creating an easily re-sealable lid with a smooth edge. Great for keeping food covered while preparing a meal. Easily lift the cut soft edge lid and can opener from the can when ready to use. (4 new AA batteries required, Not Included) Perfect for individuals with arthritis or hand pain, requires no manual labor or strenuous squeezing