This A/C Power Adapter for Delta Touch Faucets you with worry-free, hands-free operation of your Delta regulator with Touch2O Technology. It into any common, non-switched 115-volt outlet in your sink cabinet and eliminates the need for batteries. Even if your home 's power goes proscribed, your Delta Touch2O regulator can still be manually, so you 're never without water when you need it. with Delta Touch2O faucets with Gen 3 solenoids.