About: http://webisa.webdatacommons.org/151939949

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	In this embodiment, it is preferable that the power supply 18' includes two batteries, such as two triple A batteries.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com