Using this GUS Modern Lewis table task lamp is a breeze. First, find a stable spot on your desk or bedside table. Plug the red fabric electrical cord into a power outlet. To adjust the brightness, simply turn the dial dimmer switch on the cord. You can make the light brighter for tasks that need more focus or dimmer for a relaxing ambiance. As for maintenance, use a soft, dry cloth to wipe the metal body and marble base regularly to keep them clean. Avoid using harsh chemicals as they might damage the finish. Since the LED bulb has a long lifespan of 30,000 hours, you won't need to replace it often. Remember, this lamp is oversized and non - returnable, but if you notice any damages or defects, reach out to us and we'll send you a replacement right away.