["Wireless voice module for alarm verification The Ajax SpeakerPhone Jeweler enables quick and secure audio alarm verification. In the event of an alarm, the emergency call and service control center (NSL) can speak or listen directly to people in the property in order to realistically assess the situation and avoid unnecessary calls. Deterring intruders or communicating in emergencies is also possible. With up to 10 m speech intelligibility, 103 dB volume, AI-optimized microphone and clear full-duplex voice transmission via the Ajax VoRF protocol, the module ensures clear communication in any environment. Thanks to Jeweler wireless technology, it offers a range of up to 1700 m with the Ajax hub center. The device runs for up to 3 years on batteries (12 hours in talk mode) and can optionally be powered by 12 V? power supply. Installation and setup are straightforward via QR code and SmartBracket", "Dimensions: 112 × 112 × 41.5mm", "Weight: approx. 270g", "Power supply: batteries (included), optional 12 V? external", "Speaker: 3W, up to 103dB", "Radio range: up to 1700 m (open field)", "Voice range: up to 10 m", "Communication protocols: Jeweler, VoRF", "Operating temperature: according to manufacturer data"]