... 4inch down light 7W Energy-saving,elegant, no noise, no stroboflash, no radiation, no glare, long lifespan, 3-year warranty. 4inch down light ... well-distributed and no dark spot, built in the ceiling, elegant and beautiful.No noise, no stroboflash, no radiation ... circle diameter 210mm in the ceiling, insert the light, and lock it firmly with snap hook.Packaging:More photos: 4inch down light 7W