Using this touchless sensor faucet is easy. Just wave your hand near the sensors for water to flow. It comes with a battery pack of 4xAA alkaline batteries. When the indicator light shows low battery, simply replace the batteries. Make sure to use the tempered line adapter for a tempered water supply. For maintenance, wipe the faucet regularly with a soft cloth to keep the Brushed Bronze PVD finish looking good. Avoid using abrasive cleaners as they can damage the finish. Since it's a non-returnable item, handle it with care. This faucet complies with ADA guidelines and is lead-free, so you can use it with peace of mind.