Assertion: flashlight's power | /r/HasProperty | consumed per lumen of light
Facets:
Source sentences:
text: As LED technology continues to advance, the number of watts of power consumed per lumen of light generated goes down; but it is still true to say that the more lumens you want, the faster you will consume battery power.
text: As LED technology continues to advance, the number of watts of power consumed per lumen of light generated goes down; but it is still true to say that the more lumens you want, the faster you will consume battery power.