Using this faucet is easy. Just wave your hand in front of the sensors for touch - free activation. The indicator lights on the spout will let you know if it's working and when the battery is low. When the batteries run out, simply replace the 4xAA alkaline batteries in the battery pack. As for maintenance, keep the faucet clean with a soft cloth and mild cleaner. Avoid using abrasive materials that could scratch the Brushed Brass PVD finish. Remember, this is a non - returnable item, so make sure it meets your needs before purchase. And since it's compliant with ADA guidelines, it's suitable for a wide range of users.