Quick overview from the supplier:
Ajax Wireless Security Fire Detector "FireProtect", White
//
https://ajax.systems/products/fireprotect/
Installation method: Indoors
Compatibility: Operates independently or with all Ajax hubs, range extenders, ocBridge Plus, uartBridge
Sensing element: Photoelectric and temperature sensors
Activation threshold: +59°С ±2°С
Type of notification: Sound/light
Volume of built-in siren: 85 dB
Alarm signal delivery time: 0.15 s
False alarm filter: +
Interconnected alarms: +
Power supply: Battery: Two CR2 batteries, 3 V
Backup battery: CR2032
Battery life: Up to 4 years
Additional temperature sensor: Available
Operating temperature range: From 0°С to +65°С
Permissible humidity: Up to 80%
