Assertion: flashlight's light | /r/HasAspect | optional filters
Facets:
Source sentences:
text: Tactical lights may have optional filters to produce colored light (e.g., red light, to preserve officers' night vision), or may emit only infrared radiation for use with night vision equipment.
text: Tactical lights may have optional filters to produce colored light (e.g., red light, to preserve officers' night vision), or may emit only infrared radiation for use with night vision equipment.