Using this faucet is easy. Just wave your hand near the sensors for touch - free activation. The faucet comes with a battery pack of 4xAA alkaline batteries. When the indicator light in the spout shows low battery, simply replace the batteries. As it has a PVD finish, it's very durable. But avoid using abrasive cleaners to prevent scratching the surface. Regularly check the tempered line adapter for any signs of wear. This faucet is lead - free and compliant with ADA guidelines, so it's suitable for all users.