I think ML is moonlight. 
Ach…
I just saw some light with actual bubble-levels(!), and was wondering wtf’s a “ML level”.
Gnope, just verified, 5 levels starting from low, 2click for strobling, another 2click for beacon, click out of it to normal light.
Didn’t see any mention of moonlight in the amazon page, unless I missed it.
Sofirn had this listed in a discount posting. Got a code from them, plus an additional coupon on the Amazon page… and I paid $17! I had a few other small items to buy anyway, so that put me over the free shipping threshold.
This is a screaming deal, all things considered. UI wise, I do miss press+hold for moonlight, which is becoming standard in many lights these days that offer this mode. Mode memory can be annoying. Tint is quite good. Cooler than my LH351D 4000K in my Zebralight, but separately the eyes adjust and it looks very neutral.
Headband comfort is OK, but I prefer my Thrunite TH20, where the bracket is silicon and easily conforms to your head—much more comfortable for long wears. Also, the TH20 is smooth all around, no sharp edges. As lightbringer said, the corners on the D25L aren’t rounded off, so they can feel like a potential to “dig in.” But that won’t happen when worn properly on your forehead. The metal casing is good with fine quality anodizing, though I’d say the TH20 feels a tad more solid. The switch has a florescent green rubber cover… would’ve been nice if it was GITD.
Again, overall? VERY nice value. I have both lights with me. If anyone wants a comparison photo of the two, let me know.
“ML” is probably meant to be “Medium Low”… which is really “Med1”.
There is no Moonlight on the D25L.
Great review & thanks for mentioning the 4 clips. Those had me stumped.
I am really liking my D25L. 
Looks like a great budget headlamp. Personally I would prefer one LH351D and one Red (?SST-20 or XP-E2) emitter, maybe with the double click turning on the Red instead of strobe (who needs strobe on a headlamp?).
You could always put a red filter over just one of the emitters…
Goggled some pix of the TH20… looks a lot like the D10, predecessor of the D20 (?) and D25.
We’ll have the headlamp with white and red leds in the future.
Thanks for your detailed review! 
The single-strap headband is a deal breaker for me. Adding a additional over-the-head strap would move me to buy, even if it's somehow made removeable.
slmjim
I have one of these on the way from Sofirn. I hate my Olight perun2 headlamp. It’s just too bulky/heavy. The upgraded D25S is a proven design & just works.
That is what I first thought also… but I tried it anyway.
After using it a while, I do not miss the top strap one bit.
That’s great news. Most headlamps with red are very dim (around 5 lumens), so a red light that is much brighter (but with low modes as well) would be greatly appreciated.
Top straps are highly overrated. This headband works very well.
Great to hear 
Any idea when? A few weeks or months?
Press and hold only cycles up with my D25S and L.
Once it reaches highest level release button. Quickly press again and it reverses. Just confirmed this with my D25S.
Not mine .
Edit: I got it to do it. I was pushing it to fast.
[quote=Sofirn]
We’ll have the headlamp with white and red leds in the future.
Nice!
Good to know you are reading and participating in this thread
Thanks for hearing the BLF
Wouldn’t want to bother but since you are already here how about a coupon code for this light ?