Low consumption, high brightness and stable performance!
If you thought, well, one surely, we can't fault your logic. But the answer is actually about fifteen. One human can produce one horsepower.
There is a reason for this, but it's fairly long-winded and we don't have the available word space to really dive into it.
Besides, we're not here to tell you about complicated and confusing things. We're here to tell you about nice and simple things:
Good deals. Better prices. Available all day. Go go go!