The supplied high quality Automatic Sensor Taps Faucet & Flushers that are automatic faucets that are built with particular mechanism and sensor which opens the valve of the water to flow as soon as it senses the presence of hands close to it. After some seconds, the tap closes the valve on its own or as soon as it stops sensing the hands below. It is very useful in this epidemic time since it is contact less tap. This water flushes the whole of the inside of the sensor housing taking away any build-up of solids to the drain. Automatic Sensor Taps Faucet & Flushers are very efficient.