Light-emitting diode - Wikipedia
A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons.The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the band gap of the semiconductor.
Solar motion sensor light South Africa - February 2021
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10 Best Solar Powered Motion Security Lights in 2021 …
1/13/2021· Litom is one of the world’s leading solar light brands with over 5,000,000 solar lights sold in the market. The great advantage of the Litom is the combination between two of the most efficient and green technologies: LED and solar. The Litom light is able to harvest solar energy and store it in a battery for later use at night to light up for 20 seconds if any motion is detected.
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