Meet the Pfister React Touch Free Faucet: a device that lets you turn the water on or off by simply guiding your hand within the sensor range. In Hibernate mode, you can disable the sensor for cleaning. The Smart Stop feature automatically shuts off the faucet after 2 minutes of inactivity. You get a low battery indicator that notifies you when it is time to change your batteries. The handle lets you operate the faucet anytime. Sets you back $299.