Have you ever pulled out a flashlight to inspect a nearby object, only to temporarily blind yourself when the light reflects back in your face? Lots of flashlights offer adjustable brightness modes, so you can avoid this problem by selecting the low-power mode—but that's only if you remember to do so ahead of time. When you quickly turn on your light in a dark room, it's easy to forget which brightness mode your light is set to, or simply fumble with the controls and select the wrong one. That's far from ideal, especially in a tense situation, since it will quickly obliterate your night vision and leave you disoriented.

Surefire auto-adjusting Intellibeam flashlight 4

Surefire has developed a clever solution to this problem, by developing a light that can automatically adjust its brightness level to your surroundings. This new light is known as the M600IB Scout Light, and the built-in proprietary auto-adjustment system is called IntelliBeam. Each M600IB light contains a sensor and microprocessor, which continuously evaluates the beam's target area. Based on the sensor's feedback, the flashlight adjusts between 100 and 600 lumens. Surefire says it can do so in a matter of milliseconds—faster than the human eye can detect.

The new M600IB Scout Light uses a high-output LED that can produce 600 lumens for up to 1.5 hours, or run for a maximum of 5 hours (per ANSI standard testing). It uses two CR123A batteries, contained in a hard-anodized aluminum body with O-ring seals and a tempered glass window. The tailcap switch offers partial-press for momentary activation, full click for constant activation, and a patented lockout feature. An included thumbscrew mount attaches the light to MIL-STD-1913 Picatinny weapon rails.

Here are the rest of the key specs for this flashlight:

  • Output (high): 600 lumens
  • Output (low): 100 lumens
  • Runtime: 5 hours (per ANSI standard)
  • Length: 5.8 inches
  • Bezel Diameter: 1.37 inches
  • Weight with Batteries: 6.2 oz
  • Battery Type: CR123A (two)
  • MSRP: $299

For more information on the new Surefire M600IB Scout Light with IntelliBeam Technology, visit Surefire.com. We're looking forward to getting our hands on one of these lights and doing some thorough testing in the future.


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