... The product is designed that based on the theory of infrared sensor to open and close the wastebin lid automatically. When the ... to touch the wastebin. The product integrated the micro-computer, infrared sensor, precision mechanical set. It is a Hi-tech, innovation, power ... respectively;Press "OPEN" button once(keep 1 second),the indicator light 2 seconds, the lid opened and keep;Press "CLOSE" button ...