These Vemeli table lamps are a great addition to your home. First, make sure to place them on a stable surface. When you're ready to use them, connect the cord to a power source. Keep in mind, these lamps come with one 55x55x110mm bulb. As for maintenance, always disconnect the power before cleaning. Use a soft, dry cloth to gently wipe the lamp and the shade. Avoid using any chemicals or household cleaners, as they can damage the finish. Also, be aware that these lamps contain DEHP and lead, which may cause cancer, developmental, and reproductive issues. With proper use and care, these lamps will add a touch of elegance to your space for a long time.