Kingbright SC56-21LSRWA 14.2mm Super Bright Red LED LC Display Cathode

CMOS - Complementary metal oxide semiconductor

LED - Light Emitting Diode - a small light source

White - A colour combining all colours

Hand - A part of the body at the end of the arm

Hand - A pointer which indicates time on a clock face

Red - One of the three primary colours

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

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