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Nitecore Chameleon CU6 Ultraviolet LED Flashlight - CREE XP-G2 R5 & CREE XP-E R2 - 440 Lumens - Uses 2 x CR123As or 1 x 18650

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A Chameleon For Any Situation

The Nitecore Chameleon Series is designed to bring you mid-sized lights with ample power coupled with colored LED's that fulfill a variety of special tasks. Every member of the Chameleon family is built from hard anodized aluminum and features O-ring seals that allow it to be submersible in water up to 2 meters (IPX-8 Rating) . The Chameleons utilize a tail-switch for activation, and two side-switches for mode selection. The first side-switch cycles through the primary LED's five outputs, which range from a .1 lumen firefly mode, to a 440 lumen turbo. All of this makes for a pretty standard 18650 style light with all the durability and premium hardware we have all come to expect from Nitecore, but they didn't stop there. Each member of the chameleon family also comes with three more LED's, one set of two provide a moderate, but effective red, green, and blue illumination, while the secondary LED provides a brilliant light with a color specific to each model in the Chameleon family! That means every light in this series has an ultra-bright white LED, a secondary colored LED, and a third set of auxiliary LED's that can be accessed instantly with the side-switches! The Chameleon family truly blends in to fit its environment, with features that make it perfect for hunters, campers, law enforcement, and emergency preppers!

Ultra-Versatile. Ultraviolet.

A powerful ultraviolet LED is ideal for law enforcement, military personnel and security professionals. The ability to instantly switch your ultra-bright CU6 into an ultraviolet lamp gives you the ability to verify ID cards and security tags as well as take advantage of a variety of anti-counterfeiting measures used throughout a variety of industries. UV flashlights are also useful for spotting leaky fluids in your car or motorcycle, as well as tracking game while hunting.


  • Four individual light sources: one white LED plus one secondary ultraviolet LED and two auxiliary leds
  • Dual sides switches control white and colored LED independently
  • Integrated 'Precision Digital Optics Technology' provides extreme reflector performance
  • Side switch features integrated power indicator light for displaying remaining battery power
  • Instant start - enter turbo mode automatically
  • Physical reverse battery polarity protection mechanism
  • Stainless steel titanium-plated clip
  • Stainless steel retaining ring protects the core components from damage
  • Toughened ultra-clear mineral glass with anti-reflective coating
  • Constructed from aero-grade aluminum alloy
  • HAIII military grade hard-anodized finish
  • Waterproof in accordance with IPX-8 (2 meters submersible)
  • Impact resistant to 1.5 meters


  • Runs on: 2x CR123A or 1x 18650 (Batteries NOT included)
  • Output mode/Runtime:
    • White LED
      • Turbo: 440 lumens / 1.75hr
      • High: 280 lumens / 3.5hr
      • Mid: 160 lumens / 7hrs
      • Low: 25 lumens / 43hrs
      • Firefly: 1 lumens / 400hrs
    • Ultraviolet LED
      • High: 120 lumens / 4.5hr
      • Mid: 45 lumens / 15hrs
      • Low: 12 lumens / 55hrs
  • White LED Peak Beam Intensity: 9000cd
  • Ultraviolet LED Peak Beam Intensity: 5700cd
  • Dimensions:
    • Length: 5.63" (143mm)
    • Body Diameter: 1" (25.4mm)
    • Bezel Diameter: 1.57" (40mm)
  • Weight: 4.87 .oz. (138g) (excluding batteries)
Runtime (Hours):1.753.5743400
Output Modes:3+ Brightness Levels, Blue, Green, Red, UV
Compatible Batteries:1 x 18650, 2 x 16340, 2 x CR123A, 2 x RCR123A
Batteries Included:No
Included Accessories:Holster, Lanyard, Pocket Clip, Spare O-ring(s), Spare Tailcap Boot, Tactical (Cigar) Ring
Flashlight Usage:Tactical, Ultra-Violet
Throw Distance (Max):190m
Switch Location:Tailcap
Product Certifications:ANSI, IPX-8
Warranty:Battery Junction 30-Day Warranty, Nitecore 5 Year Warranty
Return Policy:Battery Junction Return Policy
Primary Material:Anodized Aluminum
Product Weight:4.87oz
Product Dimensions:5.63" (L) x 1.57" (Head Diameter)1" (Body Diameter)
Country of Origin:China
By Aaron
Columbus, OH
Best UV light around!
March 13, 2020
Fairly good runtimes and seperations with the lumen outputs, its a solid feeling light and liteweight. This is a true CSI flashlight if you ask me.
By John
Kingman, AZ
Good points & not too good
September 19, 2015
It's easy to use w/3 switches (I don't care for tail switches); reasonably bright on white light; the color & UV lights could be a lot brighter; more of a flood light than spot; the power selection is pretty evenly spaced; small in size.
  • UV & colored lights could be a lot brighter. I bought this mainly to check for scorpions (I live in the desert).
By Joal
Reno, Nv
A uniquely versatile tool
February 2, 2015
The variable intensity on the white light is very useful in low light environments. The bright light is blinding ! Ultra violet feature is both professionally useful and fun for exploration. For hunting atmospheres the colored lights are very helpful. The UV mode has a warning flasher built in so you don't shine the UV in your face. We discovered another unadvertised function by chance that is very special and must be used with discretion ! We won't spoil the surprise.
  • Military / police grade; durable, well made , long life expectancy.
  • none found or anticipated
Nitecore CU6
May 21, 2014
A very versatile flashlight. 5 levels of main output from 1 lumen to 440 max, and the spacing between levels is very well placed. The UV light is great for checking stains on the carpet for people with pets. Haven't used much of the 3 colored lights yet, but they will come in handy when needed, particularly outdoors. 3 special modes - strobe, SOS and beacon are very nice to have. I like the beacon mode a lot - makes it easy to get attention. Instant on feature let you jump to either max output, or UV light when turn on the flashlight. Very useful.

Using 18650 rechargeable battery is the way to go. It will save money over using CR123A in the long run, plus it gives much better run time. I use Orbtronic protected 18650, 3400 mAh button top. It works great with the light. Be careful with flat top batteries. They won't make proper contact at the positive terminal due to Nitecore's physical reverse-polarity protection. You can add a small piece of metal (or magnet) at that end to make it work but it's easier just use button top batteries to avoid having to deal with this.

The light is a little too big for everyday carry (I prefer Nitecore P12), but it is an excellent one for home use or keeping with the car, camping gear, etc. The build quality is very good, typical of Nitecore products. Highly recommended!
1 Question & 1 Answer
David L
from Kansas City asked:
May 18, 2015
What is the wavelength of the UV light?
1 Answer
The CU6 has a wavelength of 365nm.
Submitted by: Customer Service on May 19, 2015

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