Set your hands free with an EZ Flow Water Sensor. This unique system saves nearly 3X the water use of a traditional faucet and keeps harmful bacteria and germs away. Use the EZ Flow on any of our Portable Sink systems or on any traditional faucet, where hands-free use is needed. Put one on all of your faucets - for commercial or residential use. Battery operated unit features an override on/off switch, in case you wish to use water manually. The EZ Flow Water Sensor is fast and convenient.