The simple operation: Press a button to automatically rotate the lid of the can until the can is opened, turn off the switch by hand, it will automatically attract the lid and take it off, it can easily open cans from anywhere. any size. (Apart from rimless cans and irregularly shaped cans) Innovative technology: use inner pressure slide method to open the can lid, preserve can without sharp edge and can with smooth and sealed edge. It allows you to save infinite cans for second time use. Requires 4 AA batteries (not included in the product) Durable and safe: ABS + steel alloy structure. Accessories are wear-resistant. The walkman with the safety groove prevents accidental finger injuries. It is easy to clean. Do not wash with water, it is suggested to use a clean damp cloth to remove stains. Comfortable and portable: lightweight and small in size, comfortable in your hand. The product is suitable for the elderly with arthritis and users of different hand gestures. It can be stored easily in your kitchen drawer, it is the first choice of tools for outdoor party and family restaurant.