About: http://webisa.webdatacommons.org/220684748

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	However, the vast majority of these older units are not equipped with infrared sensors or other external entrapment protection devices, and thus do not meet today's standards for garage door opener safety.
http://www.w3.org/ns/prov#wasQuotedFrom	liftmaster.com