Both flashlights as well as headtorches from Lenser are undoubtedly based on LED modern technology. Generally, an LED is composed of 2 kinds of semiconductors that have differing capacities in the transmission of electrical energy:
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LED could likewise be designed to send out certain wavelengths of light depending upon the semiconductor used. For instance, aluminum gallium arsenide is for red LED, aluminum gallium phosphide is for greed LED, and indium gallium nitride is for blue LED.