High Efficiency Bulbs: Our 20W bulb is equal to a 200W normal incandescent bulb,which means 80% electricity bill would be saved. Non-dimmable Bright: The White bulb(6000K) is brighter than normal one,offering you a comfortable environment. Easy Installation: With standard Edison B22 socket,this bulbs will fit most lamp holders well and be installed in seconds. Longer Lifespan: Can be used up to 20,000 hours,our bulbs are always there to be with you. Applications: Perfect for Kitchens; Living Rooms; Dining Rooms; Bedrooms; Hallways.