... wall up down lights Energy-saving,elegant, no noise, no stroboflash, no radiation, no glare, long lifespan, 3-year warranty. 7inch down ... radiation, no glare, long lifespan, 3-year warranty. 7inch down light 15W Application:Living rooms, offices, shopping malls, hotels, ... diameter 210mm in the ceiling, insert the light, and lock it firmly with snap hook.Packaging:More photos: wall up down lights