About: http://webisa.webdatacommons.org/417099305

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	As far as I know, none of the prior art discloses a single indicator light for lamp outage of any of the signal lamps whether in turn or hazard mode.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com