Function flashlight can output 1600 lumens: By Cryos illumination

Function flashlight: By Cryos illumination

Normally a specific light is required for every task but the FUNCTION flashlight was designed for the person who doesn't require specific light for every task. Because of the light's dual 1/4-20 tripod threads and unique form factor, it's much more versatile than the standard stick flashlight configuration.

The water-resistant, black-anodized Function has a solid aluminum body, and its three Cree XPG2 LEDs produce up to 1,600 lumens but since its output is infinitely variable, you can turn the brightness down to as low as 10 lumens. Buyers can also opt for Nichia 219 Hi CRI bulbs which put out a more neutral white light, but at a lower intensity. This light can be used for biking, hiking, camping, and videography just to list a few.

A simple push of its control knob turns it on and off. More advanced functions, such as SOS signaling and variable-rate strobing, can be accessed by holding the knob down longer.

Power comes from one user-supplied 18650 lithium-ion battery, two CR123A’s, or two 18350’s. A pledge of 175 CAD (US$165) will get you a Function Flashlight of your own.

Function flashlight with18650 lithium-ion battery, two CR123A’s, or two 18350’s


  • Infinitely Adjustable Output - Pressing down on the switch turns the light on and off. Rotating the control knob allows the user to adjust the output from 10 lumens to 1600 lumens.

  • 3 x LED emitters - Cree XPG2 for maximum lumens or Nichia 219 Hi CRI for a neutral white   beam with perfect color rendition

  • Copper LED Star Board - The emitters will be installed on a copper "pillar" star board which has no dieletric layer like the typical LED star boards. The custom  board allows the LEDs to run cooler for a longer life. Also, it allows us to drive the LED harder without sacrificing too much efficiency.

  • Aluminum Unibody - The body is intricately CNC machined from a solid block of 6061 aluminum.

  • Size - 3.31" x 1" x 1.85" (84mm x 25.4mm x 47mm)

  • HAIII Hard anodized - All aluminum parts on the light are anodized in matte black. The HAIII anodizing provides a scratch resistant coating with a 0.001" thickness.

  • Strobe - Strobe mode offers variable strobe flash rate and variable strobe brightness.

  • Battery Compatibility - The Function light can be used a single Lithium Ion  18650, two Primary CR123A, or two Lithium Ion 18350 batteries.

  • Reverse Polarity Protection - The light's driver circuitry is designed to protect itself if the battery is ever installed backwards.

  • 1/4-20 Tripod Mounting Threads - Two 1/4-20 tripod threads on the top and back of the light allows fo easy mounting with commonly available camera mounts.

  • Anti-Reflective Coated Glass - The mineral glass lens has an anti-reflective coating on both surfaces to maximize the light output.

  • Water Resistant - The Function light is designed with O-rings and gaskets so that it can function in any weather condition.

  • Battery lockout - A half turn counter-clockwise on the battery cap will lock out the light to prevent accidental activation

  • Thermal Protection - An on board temperature chip allows the microcontroller to manage the heat generated by the LED's.

  • Microcontroller Powered - The functionality of the light is all programmed via an ATTINY microcontroller. With a 8-SOIC clip, the Function flashlight can be reprogrammed such that it meets your specific needs.

Function flashlight with CNC machined aluminium body

 The Function Flashlight can be attached to a backpack strap using an optional clip mount


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Write by: RC - Saturday, July 6, 2013

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