Using this pendant light is easy. First, make sure to have a licensed electrician install it according to the instructions in the box. Once installed, you can use any E27 bulb up to 60W (globe not included). Remember, this light is for indoor use only. To maintain it, simply wipe the iron and glass parts with a soft, dry cloth regularly. If you encounter any issues within the 1 - year warranty period, you can get a replacement. Avoid buying similar but inferior products from other suppliers to ensure you get the best quality.