Using this faucet is easy. Just wave your hand in front of the sensor, and the water will flow. It's that simple! For power, you can use the included battery pack of 4xAA alkaline batteries. If you prefer, you can also use the optional AC plug-in adapter with battery backup. When the low-battery LED indicator lights up, it's time to replace the batteries. Make sure to keep the sensor area clean to ensure proper activation. To maintain the faucet's appearance, wipe it regularly with a soft cloth. Avoid using abrasive cleaners as they can damage the Brushed Brass PVD finish. The faucet is designed to be durable, but try to avoid rough handling. It complies with ADA guidelines, so it's suitable for all users. And remember, it's a non-returnable item, so choose with confidence.