Saving water automatic infrared sensor faucet water saving: the hand stretches out of the water, the hand shrinks and stops, and the water-saving function is remarkable. Hygiene: no need to press the faucet, all sensors for affluent and water shutoff are automatically completed. It achieves convenient, hygienic, and effective cross-infection of bacteria. Smart: the machine is controlled by a microcomputer and is resistant to light and ultraviolet light. It avoids water leakage due to the intensity of light and the interference of ultraviolet rays. It also has a 60-second super-wash function to avoid waste of water due to foreign matter in the sensing range for a long time.