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Led Flashlight

Led Flashlight

 

LED flashlight based on LED (light emitting diode) as a light source of a new type flashlight. LED has high brightness, low power consumption, long life, small size and other characteristics, it is the ideal choice for portable lighting. LED principle similar. But the difference is, LED is not through atomic internal electronic transition to light, but by applying voltage to both ends of the PN junction of the LED, so that the PN junction is formed an energy level (in fact, is a series of energy level), then the electronic energy levels transitions and produce a photon luminescence.

 

LED Flashlight