Product Features: Dimensions: 10 x 6 x 18 cm. Power supply: 2 AA batteries (not included). ✓Convenient and easy to use. ✓Automatic jar opener for people with arthritis or hand pain, no manual labor required, the elderly and chefs. ✓ Simply press the button to open the jar completely automatically, while fixing the lid with a magnet to avoid confusion. ✓Highlights: After opening, the jar opener automatically releases the lid from the jar. ✓Note: ① This jar opener is suitable for ordinary and vacuum glass screw-top jars and is intended for home use only. Any other use is not recommended.② Do not use the jar opener on plastic jars.③ Do not use the jar opener to open jars with steep curves or irregular shapes where the jaws grip.④ Do not use the jar opener if there are signs of defects on the jar lid or chipped glass around the jar.⑤ Always place the jar on a flat, non-slip surface. Remove any safety seal on the jar before using the jar opener.✓ To avoid spills and spills when opening small or large jars, please secure the jar with one hand and gently hold the jar opener with your other hand.✓ Do not put fingers near or in the jaws during operation. Keep hands, hair, jewelry, clothing, and utensils away from moving parts to avoid injury and/or damage to your automatic jar opener.