About: http://webisa.webdatacommons.org/178067654

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A light source, such as a light emitting diode, is mounted within the power socket and is operatively connected to a voltage converter capable of converting supply AC voltage into operating DC voltage.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org