This A/C Power Adapter for Delta Touch Faucets provides you with worry-free, hands-free operation of your Delta faucet with Touch2O Technology. It plugs into any standard, non-switched 115-volt outlet in your sink cabinet and eliminates the need for batteries. Even if your homes power goes out, your Delta Touch2O faucet can still be manually operated, so youre never without water when you need it. Compatible with Delta Touch2O faucets with Gen 3 solenoids.