Voltcraft CO-20 USB Air Quality Sensor

USB - Universal Serial Bus

LED - Light Emitting Diode - a small light source

Office - A room where people work

Quality - An object that has quality is superior in function and finish than a less quality object.

USB - Universal Serial Bus. A method of connecting a device to a computer

Small - something that takes up less space than normal.

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

Home - A place of permanent residence for families.

Glow - Something that gives out a steady light.

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