Energy saving is 80% more than other bulbService life is five times longer than other bulbAdopts tri-color phosphor powder, produces high and bright illuminationThe lumen efficiency is 50% more than normal energy saving lamps.Item No.:CDL-7DWorking voltage:220-240V/120V Frequency:50/60Hz Wattage:7WLumin:280Color temp:2700K/6400K Cap:E14