About: http://webisa.webdatacommons.org/8099858

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 sensors and control circuitry for such devices are ordinarily powered by electricity and require a current source such as a battery.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com