I remember seeing a drop test video on the LuxRC FL light many years ago. These lights are beautiful but also very rugged. The light in the video took quite the abuse and kept on working.
Always wanted to try one out. Appreciate the driver effciency and design.
The Lux-RC lights are made in very low volumes, as far as I know, so you won’t find much information about them online.
Overready uses their 371D driver their BOSS, however, which while still a pretty exotic light, is more widely available. You can learn more about the operation of the light by looking up Overready BOSS reviews. Here for example:
It sounds like the FJ-33 will have an even more advanced derivative of that driver.
Those Minions are really neat looking lights, although I have to admit, the performance from such a tiny light sounds too good to be true.
Emisar D4 is 50% brighther with 33% more emitters and the same cell. Also recent BLF boost drivers greatly exceed the performance of Minion.
So I have no troubles believing it. If anything, I find it a bit dim for the price. 
But it sure is a Pareto frontier in size-performance. And it’s significantly more efficient than close competitors. And packs some neat features. I would surely want one. 
Stock Emisar D4 is right there, within the error margin of my calculations. With Luxeon V like djozz has done it should be better. And I’m talking about mule Minions. The ones with TIR have less lm/mm³ than stock D4.
ADDED: Just calculated Darkside Nymph, Nitecore TiniVn and RovyVon Aurora. They are great but nevertheless half as bright per volume.
Agro, I bet between this 4 your choise is #2 or #4:
Wrong. The host #2 is the lightest but #3 has the best aero. At speeds that matter aero wins. 
As I stated already: I’d love to have a Minon. I love a lot of what I see in Lux-RC lights. I’m not saying that D4 is a better light. But when considering specific performance metrics - the less sophisticated light actually competes. And when modded - it wins.
ADDED:
Actually you made me thinking…If I could have one - D4 or Minion which one would I prefer?
The answer might surprise you.
Probably Minion with TIR.
But that’s uneasy choice and the win is based on Minion being regulated. With it being more efficient as the second parameter that matters.
The big win for Emisar is UI and stock it matters more than any tricky gimmicks that Minion packs. That’s what made the choice hard.
This thread is too rich for my blood/
Easily the coolest looking flashlights I’ve ever seen. 
HOWEVER… I watched the video of the guy reviewing the FL3300333… The part that sold him is the North West Africa Condrite meteorite button…
https://www.youtube.com/watch?v=gXwydMYT6EQ
I’ve heard of tint snobs or lumen junkies but meteorite buttons or rare earth minerals in flashlights… This kind of one-off crystal/diamond/meteorite/t-rex bone studded stuff is just silly. Reminds me of the company that makes the $880 000 iPhone case or the $680-880 000 decanters. 
Anita Mai Tan
$680 000 or $880 000 decanter
$880 000 Iphone case
Lol just like this Russian billionaires vape pen for his girlfriend worth over $300 000:
To me it looks like something that should definitely be modded into a flashlight! 
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would u mind posting some pictures? Thank you.
appreciate the picture, thanks I guess. Sad that these aren’t available. Because they aren’t I’ve been spending time at Oveready. They have some WILD ceramic offerings!
my mistake, corrected …. acrylic
https://www.oveready.com/flashlight/acrylic-p35-flashlight-v5-triple-3500l/