Dual Channel D4K ALL COPPER 21700 High Powerful EDC Flashlight

NTG35 LEDs are recommended for good tint, beam pattern, high CRI and free of greenish tint.

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.

Features:

• CNC machined from copper

• High end customs made N244SW optic installed by default.

• 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

NTG35 5000K/4200K: 2900lm OTF / 12,800cd

NTG35 2700K: 2500lm OTF / 10,200CD

NTG35 1800K: 2000lm OTF 7,100cd

519A 5700K/5000K DOMED: 2600lm OTF / 8,200cd

519A 4500K/4000K DOMED: 2400lm OTF / 7,200cd

519A 3500K/2700K DOMED: 2200lm OTF / 6,100cd

519A 1800K: 2000lm OTF / 3,800cd

519A 5700K/5000K DEDOMED(about 1300K CCT reduce): 2300lm OTF / 11,000cd

519A 4500K/4000K DEDOMED (about 1200K CCT reduce): 2100lm OTF / 9,300cd

519A 3500K/2700K DEDOMED (about 1200K CCT reduce): 1800lm OTF / 6,200cd

SST-20 6500K: 3200lm OTF / 15,200cd

SFT-25R 6500K/5000K: 3600lm / 20,800cd

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