Recording PIR doorbell ( player) 1.The doorbell allows the user to record a message about 20
seconds. the doorbell will play the record when detecting a people
moving 2.the doorbell can detect a person automatically.the Specifications
are as follows Sensor: Dual-element PIR Sensor Coverage: 3~5 meters length recording time:20 seconds It can be used as a recording player in public,campany,storage and
so o
