Outdoor siren - NFA2P and Grade 3 certified - Wireless 868 MHz Superior Jeweller - Maximum sound pressure 107 dB / Adjustable sound - Jamming detection and alert - Powered by 8 CR123A 3.0 V...
Outdoor siren - NFA2P and Grade 3 certified - Wireless 868 MHz Superior Jeweller - Maximum sound pressure 107 dB / Adjustable sound - Jamming detection and alert - Powered by 8 CR123A 3.0 V batteries - Frequency hopping against jamming