PentagonLight: L3 Luxeon LED Light in Olive-Drab
This light costs $159 so we can conclude it is definitely not cheap. As with all items of value you would have to take extra precaution with such an instrument as you would not want to lose it either by careless handling or theft.
Description:
L3 Luxeon LED Light is a military-grade LED light for conducting tactical operations. L3 utilizes a geniune 5-watt high flux Luxeon LED as the light source. The LED is regulated by electronic circuitry and engineered to be the high-tech flashlights of the 21st century. The sophisticated onboard electronics regulates the current delivered to the LED to ensure maximal brightness while sustaining the duration of peak brightness. Luxeon LED is power efficient and does not need frequent lamp replacement since it will not burn out like the filament of incandescent bulbs. With this efficiency and our gold plated mechanism for optimal heat management and electrical conductance, L3 has a runtime of at least 2 hours at peak brightness and at least 6 hours of usable light output with diminishing output.....,
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Source: Pentagonlight