Quick overview from the supplier:
Ajax Wireless Security Narrow Beam Motion Detector "MotionProtect Curtain", White
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https://ajax.systems/products/motionprotect-curtain/
Motion detection distance: Adjustable (from 6 to 15 meters)
Installation method: Indoors only
Compatibility: Operates with all Ajax hubs, and range extenders
Sensing element:Two PIR sensors
False alarm reduction: Available, Correlation Signal Processing
Detection angles:Horizontally — 6° Vertically — 90°
Sensitivity
Adjustable, 3 levels
Recommended installation height: 2.4 meters
Power supply: Battery: CR123A, 3 V
Battery life: Up to 3 years
Temperature sensor: Available
Operating temperature range: From −10°С to +40°С
Operating humidity: Up to 95%
Remote configuration and testing
Protection class: IP54
