Ajax External Siren (StreetSiren DoubleDeck)
The Ajax External Siren (also known as StreetSiren DoubleDeck) is a wireless, outdoor audiovisual alarm designed for weather-resistant performance and customizable branding.
Key Features:
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Adjustable alarm sound level from 85 to 113 dB, with volume and duration configurable between 3 seconds and 3 minutes
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360° visibility—combines sound with flashing LED indicators for enhanced alarm signaling
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Two-way wireless communication via secure Jeweller protocol, with a range of up to 1,500 m in open spaces
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Supports brand customisation with a printable front faceplate (Brandplate sold separately)
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Anti-sabotage features including tamper detection and jamming alerts
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Powered by 4 × CR123A batteries (up to 5 years of battery life) or optional 12–20 V DC external power
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Outdoor-rated with IP54 protection and operating range from −25 °C to +60 °C
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Built-in armed/disarmed state LEDs and battery level indicators
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Compact dimensions (~200 × 200 × 55 mm) and straightforward mounting with SmartBracket
