4W ceiling board Light 1.A factory, which produce unique products 2.CE & RoHS approved 3.high quality, competitive price JH - Ceiling Light ... installing: drill a circle diameter 210mm in the ceiling, insert the light, and lock it firmly with snap hook.Packaging: Neutral ... , any your customized lightings we can help you to design and put into product.Application:Living rooms, offices, shopping malls, ...