Super bright:100w LED corn cob bulbs with 14000lm,LED Replacement 400Watt Metal Halide/HID/HPS/Mercury Vapor Bulb,1000W incandescent bulb or E39 Base CFL bulb. | Instalt on: No buzz,no flicker,360°Shining - no dead corner.Do you tired of constantly changing balasts and bulbs(Don't need ballast, just wire them directly ) | Energy Saving and Long Lifespan:Power consumption is 1/10 of incandescent bulb,2/3 of energy-saving bulb under the same brightness,With a life of 50,000 hours,The corn light bulb will last over 23 years (based on 7 hours each day)No longer vexed for regullacementd | Factory Sells Directly:Gtaren offer 24/7 after-sale support,60 days full refund policy and 8 years quality service.If you have any questions, Please feel free to contact us. | Wide Application:Suitable for 120v-277v voltage E39 and E29 base.Great for indoor outdoor Street and large Area Light,garage light,warehouse light barn light, Parking Lot High Bay light patio courtyard garden light shop light work light celling light growht wall pack Post Top,acorn,low bay shoebox Light fixture etc,Anywhere need bright light with LED conversion bulbs or LED retrofit kits