SMART SENSOR Ultrasonic Imitate Sound Mouse Chaser AR145

LED - Light Emitting Diode - a small light source

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz

Weight - a measurement of how heavy an object appears due to the pull of gravity. For example the weight of an object on planet earth will be different to the weight of the object on the moon

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

Specification - A description of a product with the details of its attributes.

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