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.