Dual Channel D4K ALL COPPER 21700 High Powerful EDC Flashlight

Different optic will be used for different combo to achieve best performance.

For example, for W1/SFT-25R LED + 519A/SST-20 combo, N244SW optic will be used.

E21A+E21A, 10623 optic will be used, etc.

If you have preferable of which type of optic to be installed in your light, please shoot us an email.

This is dual channel version, for the single channel version, please click here.

Emisar D4K copper 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.

Features:

• CNC machined from 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)

• Weight:165g

• Dimensions: 103mm(length) * 28mm(head) * 26.5mm(body)

OTF lumen output at start-up:

E21A : 1200lm

519A : 3800lm

SST-20 6500K: 4200lm

SST-20 5000K: 4200lm

SST-20 4000K/3000K 95CRI: 3000lm

This product uses free software of Anduril 2, distributed under the terms of the GPLv3.

Source code is available from https://toykeeper.net/anduril

Polished raw copperAntique copper