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. Make sure to use the included 4xAA alkaline batteries for power. As for maintenance, wipe the faucet regularly with a soft cloth to keep its Brushed Black Stainless PVD finish looking great. This finish is durable, but avoid using abrasive cleaners as they may damage it. Also, keep in mind that this item is non - returnable, so make sure it's the right choice for you before purchasing. And because it's lead - free and compliant with ADA guidelines, you can use it with peace of mind.