1. Automatically perfect for individuals with arthritis or hand pain, requires no Manual labor2. Effortlessly opens cans of any size Just adjust to fit at the push of a button.3. Energy efficient: This Electric Jar Opener uses very little energy (uses 2 pcs AA batteries)4 pact: compact and versatility in 1 user friendly kitchen device.5. Size: 6. 8 inches long; weighs 0. 80 lbs.