Effortless and Powerful - Powerful enough, just press the button to open the jar completely automatically Full-Automatic Jar Opener Perfect for individuals with arthritis or hand pain, requires no manual labor. Comfort and Luxury - Made of durable, safe and sturdy ABS, wear-resistant accessories. Energy efficient - This electric jar opener uses very little energy (uses 2 pcs AA Batteries)not included Friendly Kitchen Helper - Compact and versatility, the jar opener is the best hands-free solution for you Size: 19*7*9.5cm Place the corkscrew on top of the bottle and press the switch until the motor starts to work. You don't even have to put your hand on the can opener, it will automatically spin around the mouth. When the inner claw of the product clamps the bottle cap, the outer claw of the product will clamp the bottle body, and the inner claw automatically rotates to open the bottle cap. After the bottle opener opens the bottle cap, it will stop automatically, and the bottle opener and bottle cap can be easily removed. Only need 2 AA batteries to work.