New KR4 TI + Copper with tint ramping and instant channel switching

How to use KR4/KR1?

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

Noctigon KR4 puts a high lumen output but generates a lot of heat at the same time, please acknowledge before purchasing. Unprotected, flat top 18650 battery works only (not included in the price), KR4 does not work with protected or button top battery.

Features:

• Pocket clip and lanyard ring are both included by default

• Discrete knurling

• CNC machined from Titanium & Copper

• High end custom made N244SW optic installed by default.

• Anti-reflective coated glass lens

• Unihead construction

• High lumen output and low moon output

• Ramping interface

• Electronic tail 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)

• Default 18650 body with optional 18350 battery tube

• Weight: 150g (without battery)

• Dimensions: 98mm(length) * 29mm(head) * 24mm(body), 68mm (length 18350)

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 distributed under the terms of the GPLv3.

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