LED Lenser 1041TP H3 60lm 3 X High End LED Head Lamp - Black - Tes...

LED - Light Emitting Diode - a small light source

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

Dimmer - An electronic device used to adjust the brighness of a lamp

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.

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