How does the sensor detect movement? null

The sensor uses Passive Infrared (PIR) technology to detect heat and motion from people or pets.

“How does the sensor detect movement?”

This question is for: Swann - Wireless Window and Door Alert Sensor (2-pack) - White

This question was generated by AI based on customer and product data.

The sensor uses Passive Infrared (PIR) technology to detect heat and motion from people or pets.
This answer was generated by AI based on customer and product data.