Suitable for Everyone: This electric jar opener is designed to help people with weak grip strength easily open jars especially children, the elderly, and arthritis patients, etc.. FITS ANY JAR: This electric jar opener features 2 large twisting vises that accommodate lids from 1.2 to 3.5 inches in diameter, allowing it to open different sizes and types of jars. Higher Torque: This product has strong torque power and can easily open any tight and hard jars. It is a perfect life assistant for people with weak hands, especially the best choice for the elderly with arthritis. One-Touch Automatic Jar Opening: One-button turn on the switch to automatically complete the jar opening. To use it, just place it on top of the jar, press the button, and wait for about 20 seconds to complete the automatic jar opening. Easy to Use and Store: It uses 2 AA batteries not included, which can be used continuously multiple times after being installed once. The size of the product is 7.5 inches * 2.8 inches * 3.8 inches, which is convenient for use and storage.