Emas IT120R220 120mm LED Flashing Beacon Red 220V AC

LED - Light Emitting Diode - a small light source

AC - Alternating Current

LENS - An optical element which converges or diverges light

Plastic - A generic term for a synthetic product used in the manufacture of products

Heat - A term used to define thermal energy

UV - Ultraviolet - a specific wavelength of light invisible to the human eye

water - A chemical substance. Chemical formula H2O.

Wall - A physical barrier between two areas

Dust - A general term used for micro particles in the atmosphere

Red - One of the three primary colours

Fire - the release of energy through heat and light.

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

Polycarbonate - A man made chemical where polymers are linked to carbonates

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