About: http://webisa.webdatacommons.org/322565175

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	The presence detector is an optical sensor including a light emitting element and a photodetector.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com