Signal Construct SKHU10728 Square LED Indicator Green 230VAC

LED - Light Emitting Diode - a small light source

DC - Direct Current

AC - Alternating Current

LENS - An optical element which converges or diverges light

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

Design - A drawing or styles that shows the look and functionality of something before its made.

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

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