There are two types of PIR sensors: digital and analog. Digital PIR sensor has adjustable sensitivity levels, represented by specific values, while analog PIR sensor offers sensitivity settings in three levels: low, mid, and high. Digital PIR sensor is much more sensitive and immune to false triggers. Each level has a corresponding PIR detecting distance or PIR detecting range.

Applies to: All Reolink battery-powered cameras.

For Most battery-powered cameras (except TrackMix LTE Plus 2, Argus 2 with analog PIR, Argus Pro)

Sensitivity Value Detection Distance 
(for person/vehicle/animal)
Low 0-50 Up to 5 meters (16ft)
Mid 51-80 Up to 8 meters (26ft)
High 81-100 Up to 10 meters (33ft)

For TrackMix LTE Plus 2

Sensitivity Value Detection Distance 
(for person/vehicle/animal)
Low 0-50 Up to 4 meters (13ft)
Mid 51-90 Up to 8 meters (26ft)
High 91-100 Up to 15 meters (50ft)

For Argus 2 with analog PIR, Argus Pro

Sensitivity

Detection Distance (for moving and living things)

Detection Distance (for moving vehicles)

Low

Up to 4 meters (13ft)

Up to 10 meters (33ft)

Mid

Up to 6 meters (20ft)

Up to 12 meters (40ft)

High

Up to 9 meters (30ft)

Up to 15 meters (50ft)

Note: The type of PIR sensor (analog or digital) built into Argus 2 may vary, depending on the production time of the camera.

The actual detection distance also depends on the mounting height and angle of your cameras in actual use. You may refer to this article for more details: Installation Tips for Reolink Battery-Powered Cameras.