This fonts are authors' property, and are either shareware, demo versions or public domain. The licence mentioned above the download button is just an indication. Please look at the readme-files in the archives or check the indicated author's website for details, and contact him if in doubt. If no author/licence is indicated that's because we don't have information, that doesn't mean it's free.
Going for an industrial sci-fi look. The hard angles give these letters the appearance of being made by some kind of tape or roller.
This font was originally designed to be uppercase only. So, the lowercase might be considered as an alternate set. Original size: 24pt 24pt, 48pt, etc. look most crisp when not using antialiasing