About: http://webisa.webdatacommons.org/96545686

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	A movement responsive unit is connected to the circuit, the circuit including a timer and being arranged to activate the sounder when the movement responsive unit has given no output representative of movement for a predetermined time.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com