I picked up several of these over the weekend and installed them above my detached garage and horse barn. At almost $40.00 each, they aren't cheap, but the Daylight version puts out quite a bit of light. They even have a YouTube video!
https://www.youtube.com/watch?v=mqgQNNRg6l8
http://www.menards.com/main/electri...44431924565-c-7482.htm?tid=695523133321762700
https://www.amazon.com/gp/product/B01B0M9T44/?tag=cpf0b6-20
https://assets.sylvania.com/assets/Documents/RETRO081.39df6e2f-c700-4472-804e-e09aaabc4aeb.pdf
https://www.youtube.com/watch?v=mqgQNNRg6l8
http://www.menards.com/main/electri...44431924565-c-7482.htm?tid=695523133321762700
https://www.amazon.com/gp/product/B01B0M9T44/?tag=cpf0b6-20
https://assets.sylvania.com/assets/Documents/RETRO081.39df6e2f-c700-4472-804e-e09aaabc4aeb.pdf