LED Corn bulb has an E39 base and you can change the base install ways from up to down. It is very easy to install by just twisting into an existing highbay or lighting fixture. IP64 waterproof is suitable for any weather condition. 360° beam angle make it a wider lighting area than a normal corn bulb.If you want so click:https://www.tanlite.com/collections/led-corn-bulb/products/led-corn-bulb-up-and-down-160w-80w