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 RESISTS WATER SPOTS: Delta Lumicoat finishes easily wipe clean, repel liquids, and are guaranteed to resist mineral buildup and hard water stains on your faucet EASY TO CLEAN: Delta kitchen faucets with Touch-Clean spray holes allow you to quickly and easily wipe away calcium and lime build-up with a touch of a finger, while the SpotShield finish resists water spots and fingerprints