TruOpto OSB5SAEDD1A 6.3mm 3.1V Blue LED Diamond Lens

LED - Light Emitting Diode - a small light source

LENS - An optical element which converges or diverges light

Blue - A primary colour

water - A chemical substance. Chemical formula H2O.

Audio - Also known as sound. An audible vibration wave which can be heard.

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Head - The upper part of a body typically separated by the neck.

Ideal - Something that satisfies a perfect criteria.

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