Chef's Star Smooth Edge Automatic Electric Can Opener (Black) 4 AA Batteries Are Included Effortlessly opens cans of any size at the push of a button (Important: To turn off unit, please push button and wait 2 seconds for the unit to detach and turn itself off) Innovative side-cutting system removes the top of any can and creates a resealable smooth edge lid This stylish kitchen gadget will self adhere to any can and automatically open it in seconds The fastest and easiest way to safely and easily open cans 4 AA batteries are included