This product detects infrared radiation emitted by the human body through a Fresnel lens and a pyroelectric infrared sensor.
It can accurately detect human movement in a large space.
It is suitable for anti-theft alarm detection in homes, shops, banks, museums and other security-sensitive places.
It can also be used for occupancy detection in offices, classrooms and other locations, and can link with other equipment to achieve energy saving and automatic control.
