Touch it on. Touch it off. Whether you have two full hands or 10 messy fingers, delta touch2o technology helps keep your kitchen faucet clean, even when your hands aren’t. A simple touch anywhere on the spout or handle with your wrist or forearm activates the flow of water at the temperature where your handle is set. A simple touch anywhere on the spout or handle with your wrist or forearm activates the flow of water at the temperature where your handle is set. The delta temp sense led light changes color to alert you to the water’s temperature and eliminates any possible surprises or discomfort. Kitchen sink faucets with touch-clean spray holes allow you to easily wipe away calcium and lime build-up with the touch of a finger. Delta luminous finishes easily wipe clean without the need for cleaners or chemicals and are guaranteed to resist mineral buildup and hard water stains. The ultra-sleek surface repels liquids, resisting water spots and staying cleaner longer, so your faucet stays beautiful. Delta kitchen faucets with diamond seal technology perform like new for life with a patented design that reduces leak points, is less hassle to install, and lasts twice as long as the industry standard*.