1.Automatic Open and Close Lid: Our trash can uses Smart Infrared Sensor Technology. The lid will automatically and quietly open within 0.3 seconds when a hand wave is detected, providing a hands way to throw away garbage. It will close after staying open for 5 seconds. 2.Advanced Touch Technology: This trash can's hands lid opens with a simple hand wave or when getting close on your knees, which is useful when your hands are full while cooking or doing other things. It has a quiet closing function for a longer product life. 3.Prevents Spreading of Odors: The smart trash can with a lid and a one piece barrel design avoids garbage exposure, keeping the air in your home fresh and clean. Every kitchen trash can requires 2 AA batteries (not included). 4.Easy to Install and Small Design: With soft close technology, the lid opens and closes silently and smoothly. Even during late night disposal, enjoy a noise experience. The lid of the automatic trash can is removable, making it convenient to put in and take out the garbage bag. A detachable bucket ring can firmly fix the trash bag and prevent it from slipping off.