About: http://webisa.webdatacommons.org/8755241

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	I would definitely say 4 hours is a bit of a stretch as they purport he is how long it works for, I say 2 perhaps 3 hours max.
http://www.w3.org/ns/prov#wasQuotedFrom	dooyoo.co.uk