... 3.Seven different colours light 4.Long service lift Circle Ceiling Led Lamp: 28cm dimmable RGB led downlightSpecification ModelWorking VoltagePowerBeadColour ... (RGB)2, Comparison against halogen light and energy-saving light:A: comparison by Luminous flux and applying efficiencyLED: 12W; Halogen ... : home,school, hospital, entertainment venue, office, public place, etc. Ceiling Led Lamp