Assertion: optical mouse | /r/CapableOf | use an ​​led light
Facets:
value: as an illumination source
type: PURPOSE
Source sentences:
text: Optical Mouse Uses an ​​LED light as an illumination source.
text: Remember that the main difference between an optical and laser mouse is in their illumination source: optical mice use LED lights while laser mice use lasers.
text: The optical mouse uses an ​​LED light as an illumination source.