Signal Construct SMLU 08612 IP67 12V White LED Indicator

LED - Light Emitting Diode - a small light source

LENS - An optical element which converges or diverges light

White - A colour combining all colours

Glass - A solid, typically transparent. Brittle and used in windows. The first patent granted in the UK was for Glass.

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

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