SlickBlue(TM) Indoor/Outdoor Round Non-Dimmable Flat LED Ceiling Light, Cool White 5700K-6500K 4-Pack SlickBlue = Assured Quality (1 Years Warranty) + 5 Steps Strict QC + 48 Hours Aging Time + Free Shipping & Returns In US Ships Within 1 Day Works With Most Standard Incandescent Dimmers Driver With Fixture Socket Included Environmental friendly, low heat, low power consumption, energy-saving (can save up to 90%) The Average Life Is 10.5 Yrs (6 Hrs/Day) With The Professional Test Done And Ensures No Flickering And Quiet Operation Without Interfering With Other Home Electronics