... COB LED ceiling lights 2,7W,500lm,wiring 3,2800-6500K,220v 4,Energe saver,effective 5,Passed CE&RoHS certificate Type:COB Ceiling LightInput Voltage ... energy efficient lighting option available. Energy EfficientA standard 50W halogen lamp turns 90% of electricity used into heat with only 10 ... % into light. The benefit of LED Lights are that they ...