A Ceiling Lights Molecular Chandelier Modern for casual spaces, residential houses: Living Room, Bedroom& Kitchen, or any commercial areas. The installation is very easy, the branches are already wired. When you install the lamp, you just need to screw the branches into the central ball and fix them. It is an energy saving ceiling lamp too. G9 LED bulbs will come with the lamp. When you need to change the bulbs, you simply screw the glass ball down, change the bulbs and screw them on, and it is done.