Type 4 waterproof radio addressable siren - 1200-meter range

This type 4 radio sound diffuser is the best on our website, you've never had so much technology for such a low price:

• 1200-meter free-field range.
• Waterproof P65.
• Addressable via NFC (contactless with your phone) connection application.
• 1 single CR123 lithium battery: 4-year operating life.
• Simple, intuitive pairing procedure. 
• 255 Simultaneously connected organs
• NFC android application lets you use your phone to view the network, connected devices, connectivity, battery status and history of all triggers.

This system allows "fire" alarms to be broadcast on the network, so that the paired sirens broadcast the NF S-32001 sound.it allows "fire" alarms to be broadcast on the network, so that the paired sirens broadcast the NF S-32001 sound.

EN 54-3 certified sound diffuser.

No more difficult pairing, no more disconnection problems, and no more low battery problems after 6 months.