Square Ceiling Led Lamp: 1.Remote control 2.Eight grades brightness 3.Seven different colours light 4.Long service lift Circle Ceiling Led Lamp: 28cm dimmable RGB led ... Low temperature & high efficiency: use high efficiency and lower wattage led diode, light decay in 5000 hours is zero; working temperature ... : home,school, hospital, entertainment venue, office, public place, etc. Ceiling Led Lamp