To reduce confusion about whether the OR TorchLab Moddoolar lights are "high tech" or not, consider this.
The board is the same board used in the Lux-RC lights, which are some of the most expensive, exotic, and high tech lights out there anywhere.
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Direct from the OR Moddolar product description:
Design:
Fully regulated output between 4.8 and 9.5 volts
Below 4.8v it drops out of regulation and continues running until about 3v
Cell count detection and monitoring
Output reduces to 10% at 3.4V (10% capacity remaining)
Battery protection cuts all output at 3.0V
Mode changes have a subtle transition effect (brief soft shifting)
Mode changes allow button presses as fast a 1/4 of a second
93% efficient driver with 2 lithium ion cells
Thermally-Enhanced Metal Core PCB
Integrated thermal safety protection at 65C (149F)
Integrated thermal overheating protection at 120C (248F)
Shock proof materials, components, and design
Suitable for use in weapon mounted lights
Multiple independent LEDs for more output than single LED designs (even at the same wattage)
Construction:
Hard anodized finish for superior thermal emissivity and durability
Shock and vibration tolerant materials and components
Gold plated copper contact surfaces
Silver plated berryllium copper spring
Shock proof materials, components, and design
22 gauge mil-spec wire with 19 strand, silver-plated copper conductors, teflon insulated
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My comments:
Regarding size overall, and power for size, consider this:
In the two 18350 cell ZRS configuration, it is essentially just as small as an SC600(within a tenth of an inch), but has more than double the power output(est 2200 lumens OTF). In the same body, if more run time is desired, it can run off one 18650 at a lower power output that is still more than an SC600 on turbo, and the board automatically determines the cell count and adjusts itself accordingly, including battery protection voltages. Lego options on the bodies and tails add versatility of use that is not even available on some of these other so-called "high tech" lights.
It has flow-thru cooling in the head to augment the rest of the thermal management design, so it doesn't have to step down like all these other Chinese lights are doing. There is a vast difference between proper heat management(cooling), rather than just stepping down the output more and more to try to avoid overheating in a light that has poor cooling design.
Regarding the UI, it's preference. No UI is any better than any other, except for individual user preference.
Just to set the record straight.