The Ultralight Keychain Tools

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These are the most optimal ultralight tools I could find. They all fit on a keychain: Fenix LD01R2 LED Flashlight (very durable and produces 80 lumens of light — as much a bright full-sized flashlight) Leatherman Micra (keychain-sized, ultralight multi-tool, includes scissors, made in US) Titanium Waterproof Medicine Capsule (ultralight capsule for carrying breath mints […]

The Brightest LED Flashlights Of 2015

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These days, there are some mighty bright LED flashlights over there — ones that can rival car headlights in their shine. Let’s take at look at some of the brightest in the world:

The Brightest Flashlight Powered By AA Batteries

The Brightest LED Flashlights: Fenix TK41

The brightest flashlight that uses AA batteries is the Nitecore EAX, which shines at 2000 lumens. It takes eight AA batteries and costs about $120. It’s waterproof to IPX-8 Standard (1.5 meters) and impact resistant to 1.5 meters. The Nitecore EAX is available on Amazon for about $135. 4Sevens Quark “X” AA² Tactical  Flashlight Another bright […]

The Best Ultraviolet LED Flashlights Of 2012

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Ultraviolet light is a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nanometers to 400 nanometers. LEDs that emit ultraviolet light were introduced in 2006, and there are now ultraviolet LED flashlights available. These flashlights are most often used to detect fraudulent documents, see watermarks, read invisible ink […]