Xiaomi Zajia Induction Water Saver Intelligent Infrared Induction Water Faucet Anti-Overflow Swivel Head Water Saving Nozzle Tap. 

Drains water inductively by IR, reducing touch pollution. ✔️Bottom sensor for short-term water needs, when the sensor enters the bottom sensing area (within a limited distance of 100mm), the water began to flow out. When the sensor leaves, water stops flowing out.