CML 19030255 LED Indicator Lamp Bi-Colour Red, Yellow 12V DC 6mm

LED - Light Emitting Diode - a small light source

DC - Direct Current

Yellow - A primary colour. The sun is often described as yellow

Red - One of the three primary colours

Colour - The categorised spectrum of light visable to humans

Set - a group of items usually related to one another. Some objects cannot function without the complete set of items.

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

Voltage - A measurement of volts.

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