Voltcraft 340 Digital Counter Module

LED - Light Emitting Diode - a small light source

Digital - A system that uses only 0s and 1s to transmit data

Alarm - A device which emits a sound at a pre-set time/event

Button - A round or square object used for fastening clothing or other items

button - A small fastener used on clothing to secure two pieces of fabric together.

Key - A physical or virtual device or code used for opening something

Earth - A planet third from the sun. Similar size to Venus but rich in water and complex life.

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

Equipment - A product or good that is tactile.

Dimensions - The shapes and angles of something or a situation.

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