AliTronics 20w E26 Led Corn Light Bulb - 2100 High Lumen 5 Years Warranty,Replace CFL 100w or HID bulb 90w,5000k White, Ac100-277v,Used in Outdoor and Indoor Wall Light,Bollard,Garden Light/Backyard Bulb diameter: diameter 2.75 inch,length 6.5 inch. Remove the ballast before installation as per the instruction in the package 70-80% energy saving,replace 70w metal halide bulb or 60w CFL bulb,very bright.So you can keep your current lighting fixture,save your purchase cost and electrical power. 2100lumens5000K,E26 medium base,AC100-277V,5 years warranty,360 degree beam angle and IP64 waterproof Can be used in enclosed fixture, pure 6063 Aluminum material - good heat dissipation. Installed in both indoor and outdoor lighting fixture,such as post top,high bay,acorn,parking lot,street light,garden,wall pack,bollard or garage