The modern black pendant light is an integrated structure, with no assembly, just open the package and install it directly on the ceiling. DIY shapes are available. The 2-rectangle ring design makes your room much more fashionable and a sense of space. The modern chandelier is suitable for the dining room, kitchen island, living room, bedrooms, foyer, staircase, hall, restaurant, office, hotel, etc.This product is not compatible with wall dimmer switches. Please use it with a standard on/off wall switch only. Mercer41