I too would be interested in either a DIY kit or a fully assembled one
Make that three.
At work(factory) I use momentary mode and carry in my pocket. I only need light to check on stuff for a few seconds so I really like that option, don’t have to lock it for my use. I’m not sure on this light if the momentary mode brightness is programmable but if so that’s a safe way of carrying it without having to lock it.
But that robs you from the nice ramping UI, and my current EDC has 4 or 7 modes instead of just 1 (runs on a BLF-A6 driver, with also a famous TK UI 
)
1 Thank
Great review!
Do we know the bin of the SST20 4000K 95CRI? FA3 hopefully to eliminate green a lower levels?
That would be hard since they aren’t a thing that exists. The “rainbow” mode cycles colors.
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hmmm, you are correct! I thought u were mistaken. The white is missing! Start counting with red as number 1 and there are only 6 colors. Something is amiss, and I’m sure TK just let the video run, she didn’t exclude anything. Maybe there are only 6 colors.
TK?
I ordered a D4 sst20 4000K with uncoated lens from Hank and it has zero green tint.
Great to know, thank you!
That was a video of the rainbow setting. Maybe the rainbow setting doesn’t include the white(ish) color in its rotation. I agree, it would be nice to see what the white aux color looks like, though!
Wonder if he has a different bin in.
The sst20 4000K D4 I got from Hank a few months ago is very green at intermediate and low power levels. Looks fine on turbo though.
Right, I’ve heard or seen nothing about a “white” setting existing so it would be hard to see a picture or vid of it. I could just be dumb and/or blind though (maybe shining flashlights into my eye has caused blindspots 
)
It looks like the aux LED’s are RGB and are mixed to yellow, cyan, purple, and white(ish)? The results from the GIF at least look very cool.
I know breathing and/or fading transitions are bad standby battery drain, but if you ever felt a desire to tinker with the aux LED programming further, you could experiment with putting such a feature on a timer like sunset mode. I’ve seem some really cool implementations of smooth color cycling.
That’s just an idle thought, though. I’m already really impressed as is.
Thank you so much for all your hard work. I love this UI. I recently got back into flashlights. Several years ago low med and high was as good as it got. When you added lightning and candle mode it blew my mind. I purchased two of these. Looking forward to them.
Thank you so much for all your hard work. I love this UI. I recently got back into flashlights. Several years ago low med and high was as good as it got. When you added lightning and candle mode it blew my mind. I purchased two of these. Looking forward to them.
No. Changing the ramp ceiling sets the double click from off ouput, but not the double click from on (turbo) output.
As far as I know, changing the turbo output requires a small code change.
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went back and found this from the OP:
Official Specs
Aux LEDs: Red, yellow, green, cyan, blue, magenta, rainbow aux LED options is selectable through config UI, as well as the voltage indication function.
agreed, on intl outdoor there’s no mention of a white, but it is mentioned a couple times in the OP. Guessing the pictures/video/gif shows there are only 6 colors, not 7.
If that’s the worst thing to pick at on the light, not too bad I’d say.
With the target market for these being giant flashlight nerds, I think the tint bins should be listed on the order page.
Off may be a Color too?
Blacker than Black. 
Like with Video.