Quick overview from the supplier:
Ajax Wireless Security Leak Detector "LeaksProtect", White
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https://ajax.systems/products/leaksprotect/
Installation method: Indoors
Compatibility: Operates with all Ajax hubs, range extenders, ocBridge Plus, uartBridge
Alarm signal delivery time: 0.15 s
Power supply: Battery: Two AAA batteries, 3 V
Battery life: Up to 5 years
Temperature sensor: Available
Operating temperature range: 0°С to +50°С
Permissible humidity: Up to 100%
Protection class: IP65