Assertion: led's output | /r/HasProperty | more than 0.1 lm/w
Facets:
Source sentences:
text: The light output at that time was no more than 0.1 lm/W (which is 100 times less than that of incandescent bulbs), the service life totaled hundreds of hours, and, of course, they were not even considered as light sources in the conventional sense (Craford et al., 2013).