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: 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. Do not use the jar opener on plastic jars. Do not use the jar opener to open jars with steep curves or irregular shapes where the jaws grip. Do not use the jar opener if there are signs of defects on the jar lid or chipped glass around the jar. 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.