To use this pendant light, first make sure you have a licensed electrician install it according to the instructions in the box. Once installed, you can screw in a suitable E27 bulb (up to 40W). Since it's for indoor use only, don't place it outdoors. Keep the white cable away from sharp objects to avoid damage. To maintain it, gently dust the bamboo surface regularly. If there are any issues within the 1 - year warranty period, you can get a replacement.