Using this Bradley touchless faucet is a breeze. Just wave your hand in front of the dual sensors, and the water will flow. For power, you can use the included battery pack with 4xAA alkaline batteries. If you prefer, you can also use the optional AC plug-in adapter with battery backup. When it comes to maintenance, keep an eye on the low battery LED indicator in the faucet spout. When it lights up, it's time to change the batteries. The PVD finish on the faucet is very durable, but it's still a good idea to clean it regularly with a mild soap and a soft cloth. Avoid using abrasive cleaners as they can damage the finish. Since it's a touchless faucet, make sure the sensors are clean and free from any obstructions for proper operation. And remember, this item is non-returnable, so make sure it meets your needs before purchasing.