... CO2 emission;Environmentally friendly.Specification: Product NameLED Engineering Ceiling Downlight QY-L315Brand NameKEEYModel No.QY-L315Light SourceLED ... : LED itself and the heat removal of power module determine life and performance. LED base plate directly ... a wide variety of lighting applications, including retail, supermarket, ceiling fixture, showroom, museum, hotel, restaurant, hallway, pub, ...