Sistema de alarma inalámbrico de seguridad para el hogar WIFI Tuya sensor de puerta detección de movimiento ladrón

When the door sensors ,PIR sensors,curtain detector or other sensor be triggered,this siren will sound. How does this siren alarm system protect your house?. Can add more accessories or Hosts.one sensor can work with more then two siren alarm hosts.Can be placed in different areas.

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