Quick overview from the supplier:
Ajax Outdoor Wireless Security Motion Detector "DualCurtain Outdoor", White
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https://ajax.systems/products/dualcurtain-outdoor/
Installation method: Indoors / outdoors
Compatibility: Hub Plus, Hub 2, Hub 2 Plus, ReX with OS Malevich 2.11 and higher
Sensing element: 4 × PIR sensor
Motion detection distance: From 4 to 15 m (depending on settings) for each optical system
Protection against false alarms: Available
Alarm signal delivery time: 0.15 s
Detection angle: Horizontal — 4.5° Vertical — depending on settings: Time for motion detection From 0.3 to 2 m/s
Sensitivity: Adjustable, 3 levels
Power supply: 2 × CR123А batteries, 3 V
Battery life: Up to 4 years
Temperature sensor: Available
Operating temperature range: From −25°С to +60°С
Permissible humidity: Up to 95%
Protection class: IP54
