Securityman Sm-80 Wireless Wide-Angle Pir Motion Sensor For Air-Alarm System
It does not detect non-temperature objects or real motion––it detects that something has broken the field which the sensor has determined as the "normal" state. The PIR sensor is set to detect rapid temperature change, which means that it works in the cases of intrusion (Human) and fire.. The Add-On Wireless Wide-Angle PIR (Passive Infra Red) Motion Sensor for Air-Alarm System by SecurityMan detects an infrared-emitting source with one temperature, such as a human body, that passes in front of a source with another temperature, such as a wall.
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This item takes 7-10 business days for delivery. Business days are defined as Mon - Fri.