Cyalume ChemLight Military Chemical Duration Industrial Power & Hand Tools Review

I bought this item hoping that a large chem light would bring much more light into a small space than a standard sized glowstick. In fact, this may still be true, but only for the darkest of conditions. It seems that the formulation of these sticks makes them glow a little dimmer than one would expect - about average, maybe a little less. In any case, he does a good job, especially in the first hour. After that, the brightness drops significantly, but remains the same for the specified period…