Using this touchless faucet is easy. Just wave your hand near the sensors, and the water will turn on. The faucet comes with a battery pack of 4xAA alkaline batteries. When the indicator light shows low battery, replace the batteries. For the water supply, make sure the tempered line adapter is properly connected. Clean the faucet regularly with a soft cloth and mild cleaner to maintain its brushed stainless finish. Avoid using abrasive materials as they may damage the PVD finish. This faucet is ADA - compliant, so it's suitable for all users. And remember, it's a non - returnable item, so handle it with care.