The blade cuts along the side of the lid without touching the food inside, leave no sharp edge, which makes cutting safer than other can opener. Just press the button to start, 360 rotate around the can and automatically close, freeing your hands, free up your time to do more things in the kitchen Powered by 4 AA batteries (not included), the power is twice that of a normal can opener, less noisy, last longer. The battery can be easily replaced by simply flipping the groove on the rear. Electric can opener perfects for cans of different sizes (excluding rimless cans), Small streamlined body gives you a comfortable handle, ergonomic design. The electric can opener is a good gift to express love to family and friends on Thanksgiving and Christmas, best friend for elderly suffering from arthritis problem.