Using your new faucet is easy. Just wave your hand in front of the sensor for touch - free activation. The indicator lights on the spout will show if it's powered on, when it's activated, and if the battery is low. Remember to replace the 4xAA alkaline batteries when the low - battery light comes on. Keep the faucet clean by wiping it regularly with a soft, damp cloth. Avoid using abrasive cleaners as they can damage the Brushed Nickel PVD finish. This faucet complies with ADA guidelines, so it's suitable for all users. It's also certified as lead - free, ensuring your water is safe. If you have a tempered water supply, connect it using the tempered line adapter provided.