Smart sensor garbage can: The customer needs to install 2 AA batteries (not included), put the garbage bag on according to the steps, long press the button on the left side of the lid for 3 seconds, wait for the green light to blink for 3 times quickly, the trash can starts, place any part of the body above the red screen for 25-30CM, the lid will automatically open, and the lid will automatically close after leaving the sensor area for 5 seconds!