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 V outlet in your sink cabinet and eliminates the need for batteries. Even if your home's power goes out, your DELTA® Touch2O® faucet can still be manually operated, so you're never without water when you need it. Compatible with DELTA® Touch2O® faucets with Gen 3 solenoids.