MULTIPLE MODES: Choose from Touch2O with Touchless or Touch2O only. MESSY HANDS, CLEAN FAUCET: Touch-free activation helps keep your faucet mess-free, cutting down on cleaning. TOUCHLESS ACTIVATION: Turn on and off simply by placing your hand within 4 inches of the faucet surface. 4-MINUTE SHUT-OFF: Automatic water flow shut-off after four minutes helps conserve water EASY INSTALLATION: DIY installation, with step-by step install videos on Delta Faucet’s YouTube. Integrated TempSense LED light shows water temperature, changing from blue to magenta to red as temperature increases Battery operated 6 AA (included) with a battery life of approximately 1 year or 6 C (not included) with a battery life of approximately 3 years