7020 Lumens is correct. This is a very bright light. The output of the light is a uniformed 360°. The light is proximately 10 inches long. I mention this because it hangs from the Ceiling a little lower than standard, Should be installed in ceilings that are 8 feet or higher.
The circumference is 3 1/2 inches. The length is 8 inches not including the base. 10 inches if you include the base
NO ,they only make the 5000 K corn cob bulb.
Its dimensions are; Product Depth (in.) 3.5 in Product Height (in.) 9.7 in Product Width (in.) 3.5 in