Touch on. Touch off. With Touch2O Technology, it doesn't matter if you have two full hands or ten messy fingers. Tap anywhere on the spout or handle of the faucet with your hand, wrist, or forearm to start and stop the flow of water. Thoughtfully design, Touch activated faucet featuring Touch2O Technology, Turns on and off with just a touch anywhere on the spout or handle, On-off indicator light signals when batteries run low, Automatic water flow shut-off after four minutes if the water is left running, TempSense LED light indicates water temperature