In the product description you can see the components of which it is composed and its size and characteristics. If you want to customize it and have us change, color, dimension, type of bushing etc, contact us and we will do it without problem. It does not include a bulb, it has an E27 socket, visit our bulbs to choose the one you like the most. We recommend a standard bulb. Includes rear and screws for fixing to the ceiling.