Using this faucet is easy. Just wave your hand in front of the sensors, and the water will turn on automatically. The indicator lights on the spout will show you if it's powered, activated, or if the battery is low. When the battery runs low, simply replace the 4xAA alkaline batteries. Make sure to use a tempered water supply for the best performance. To keep it looking great, clean it regularly with a mild soap and a soft cloth. Avoid using abrasive cleaners as they can damage the Brushed Nickel PVD finish. Also, since it's a non-returnable item, be sure this is the right faucet for your needs before purchasing.