{__Wireless indoor siren

An audio alarm system with a customizable sound level between 81 and 105 dB and external LED connector. Maintains a connection to Ajax Hub at a distance of up to 2,000 meters in open space.__}
Device type: Wireless
Use: Indoor
Compatibility: Works only with Ajax Hub
Alarm type: Sound
External LED connector: Yes
Sound alarm volume: Adjustable, 81-105 dB at the distance of 1 m
Working frequency of piezo buzzer: 3.5±0.5 kHz
Arm/disarm/armed state indication: Yes
Power supply: From on-board batteries
Battery type: 2 CR123A batteries, 3 V
Battery indicator: Yes
Battery life: Up to 5 years
Standby current: 70 µA (when polling every 36 seconds)
Tamper protection: Available
Radio signal power: 25 mW
Communication protocol: Jeweller (868.0-868.6 MHz)
Maximum distance between detector and central unit: Up to 2,000 m (6,552 ft) (in open area)
Polling interval: 12-300 sec (adjustable)
Alarm triggering time: Less than a second
Customizable alarm duration: Between 3 sec and 3 min
Ingress protection: IP50
Working temperature range: From 0°C (+32°F) to +50°C (+122°F)
Operating humidity: Up to 75%
Dimensions: 75?75,6?26,6 mm (2.95x2.98x1.02 in)
Weight: 96 g