ceiling lamp Advantage: clean, convenient, easy to install CE,RoHS,GS approval. ... , commom ceiling lamps etc.More details:Light Temperature: 2700K /6400WSize: 190MM/260MM/320MM/400MMSpecification:21W suit for 3-8 square meters22W ... room, bedroom, restaurant or wide modern/ European style spaceAdvantage: clean, convenient, easy to installComposition: Light cover, lamp, ballast, light base, other ...