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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.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.