STREETSIREN

The AJAX StreetSiren is a wireless outdoor siren with adjustable sound output up to 113dB at 1m and bright LED frame illumination that activates on alarms or tampers, deterring intruders with powerful audio-visual warnings up to 1500m from the hub via Jeweller protocol.
It features tamper protection, accelerometer for movement detection, optional external 12V DC power, and customizable volume/duration settings (3-180s) through the Ajax app, with up to 5-year battery autonomy on 4× CR123A cells.
Key Specifications
Feature
Specification
Alarm Volume
85-113 dB @ 1m (adjustable) 
Communication
Jeweller 868 MHz (1500m open space) ​
Battery
4× CR123A (up to 5 years); optional 12V DC 
Features
Tamper, accelerometer, LED frame, arm/disarm beeps 
Protection
IP54 weatherproof; -25°C to +60°C 
Power Options
Battery or external 110-240V AC via adapter ​
Dimensions
200 × 200 × 51 mm; 528g ​
Siren Duration
3-180 seconds (customizable) ​