The Ajax Superior StreetSiren Plus Jeweller in black is an advanced acoustic and visual alarm signaling solution designed to safeguard residential, commercial, and office properties. As part of the professional Superior product line, it combines a clean aesthetic with strict reliability standards and robust physical defense against weather and vandalism.
Featuring a piezoceramic sounder with adjustable volume from 85 dB to 107 dB (at 1 meter) and configurable alarm duration (3 s to 3 min via the Ajax app), the siren delivers immediate status feedback. Its high-visibility LED frame offers full-frame backlighting when connected to an external 12 V⎓ power supply or corner indication on battery power, signaling intrusion alerts, arming/disarming confirmations, entry/exit delays, door opening chimes (Chime), and continuous after-alarm visual warnings.
Built for direct outdoor installation without requiring protective canopies, the siren features an **IP54 weatherproof rating** (dust and water splash resistant). It operates dependably in harsh outdoor environments within a temperature range of −25 °C to +60 °C.
#### Radio Security & Flexible Powering Options
Powered by **Superior Jeweller** protocol, the siren relies on encrypted two-way radio communication with dynamic frequency hopping to counter radio interference. Hardware sabotage prevention is provided by a dual tamper switch detecting casing opening or panel detachment from the *SmartBracket* wall mount.
The StreetSiren Plus Jeweller runs on **8 pre-installed CR123A batteries** (providing up to 10 years of operation) and can be connected to an external **12 V⎓** power supply, with internal batteries acting as emergency power backup in case of mains outage.
To inspect official product documentation, visit the page for Superior StreetSiren Plus Jeweller on Ajax Systems. Explore our full range under Ajax wireless sirens at Lisintec.
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