The Ajax Home Siren is a wireless indoor 81 to 105dB siren.
The unit indicates whether the alarm is armed or disarmed by means of a built-in LED and an external LED connection is also available.
Compatibility: All Ajax Hubs and Range Extenders
Frequency: 868.0 – 868.6 MHz
IP Rating: IP50
Operating Temperature: -10?? to 40??
Power Input: 2x CR123A batteries; 3V (Included)
Transmission Distance: Up to 2km
Volume: Adjustable; 81?105dB at a distance of 1m
Dimensions: 75 ? 76 ? 27mm