TOUCHLESS ACTIVATION: Touch-free activation helps keep your faucet mess-free, cutting down on cleaning. Turn on and off simply by placing your hand within 4 inches of the faucet. Automatic water flow shut-off after four minutes helps conserve water TOUCH IT ON. TOUCH IT OFF. Touch anywhere on the kitchen faucet spout with your wrist or forearm to start and stop the flow of water or use the single-handle manually. The TempSense LED indicator light changes color with water temperature LASTS 2X LONGER: Patented DIAMOND Seal Technology reduces leak points and lasts twice as long as the industry standard—ensuring leak-free operation for the life of the kitchen sink faucet A FINISH THAT LASTS: Designed to look like new for life, Delta finishes are durable, long-lasting and guaranteed not to corrode, tarnish or discolor LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this bathroom faucet is backed by Delta Faucet's Faucet and Finish Lifetime Limited Warranty