Automatic Can opener removes entire top eliminates the danger and mess of opening cans using traditional can openers - no more cuts! Slices cans from the side, removes entire top, leaves no sharp edges. Operate with a single hand on any size can. Blade stays clean since it does not touch food. Magnet secures lid for easy removal. Requires 4 AA batteries, not included. Plastic and stainless steel, 6 3/4 x 3 1/4 x 2".