To use this pendant light, first ensure it's installed by a licensed electrician following the instructions in the box. Screw a suitable E27 bulb into the lamp holder. Hang it up using the 3000mm cable and canopy. This light is for indoor use only, so don't place it outdoors. For maintenance, gently wipe the powder-coated iron surface with a dry cloth. If any part breaks within a year, you can get a replacement as per the warranty.