Using this faucet is easy. Just wave your hand near the sensors, and the water will turn on. It's powered by a battery pack with 4xAA alkaline batteries. When the indicator light in the spout shows low battery power, replace the batteries promptly. Make sure to use the tempered line adapter for a tempered water supply. As for maintenance, wipe the faucet regularly with a soft, damp cloth to keep the Brushed Nickel PVD finish looking good. Avoid using abrasive cleaners as they can damage the finish. This faucet is non - returnable, so keep that in mind when purchasing. It complies with ADA guidelines, ensuring it's accessible for everyone, and is certified lead - free, so it's safe for your home.