Using this faucet is easy. Just wave your hand near the sensors for touch - free activation. The indicator lights on the spout will show if it's powered, activated, or if the battery is low. When the battery runs low, simply replace the 4xAA alkaline batteries. To maintain the faucet, clean it regularly with a soft cloth and mild soap. Avoid using abrasive cleaners as they can damage the Brushed Black Stainless PVD finish. Since it's a non - returnable item, make sure it meets your needs before purchase. This faucet complies with ADA guidelines, so it's user - friendly for everyone. And don't worry about lead, as it's certified lead - free.