D4K triple channel version is with the frosted optic by default, if you would like the clear optic,
please send us an email, although the beam pattern may seem a bit squarish with the clear optic.
Emisar D4K puts a high lumen output but generates a lot of heat at the same time, please acknowledge before purchasing. Unprotected, flat top battery works only (not included in the price), D4K does not work with protected battery.
• CNC machined from Titantium & copper
• Efficient UK made Carclo Quad LED optics
• Unihead construction
• High lumen output and low moon output
• Ramping interface
• Electronic soft touch switch
• Beryllium-Copper springs with 45% IACS superior to stainless steel alloys used for springs with only 2% IACS.
• Temperature step-down
• Waterproof and dustproof to IP67 standard (up to 1 meter)
• Dimensions: 103mm(length) * 28mm(head) * 26.5mm(body)
OTF lumen output at start-up:
519A : 3800lm
SST-20 6500K: 4200lm
SST-20 5000K: 4200lm
SST-20 4000K/2700K 95CRI: 3000lm
This product uses free software of Anduril 2, distributed under the terms of the GPLv3.
Source code is available from http://tiny.cc/TKAnduril
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Have no questions.