You could use either ST_Anything or Konnected to add any generic (dumb) siren to your system as a output if you want more of a DIY approach. Otherwise you could even just use a standard zigbee switch/relay/plug along with a plug in 120v siren.
You could use either ST_Anything or Konnected to add any generic (dumb) siren to your system as a output if you want more of a DIY approach. Otherwise you could even just use a standard zigbee switch/relay/plug along with a plug in 120v siren.