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The Wireless LCD GSM Intelligent Home Security DY-GSM30A Burglar Voice Protect House Alarm contains a built-in artificially intelligent digital voice announcer, a AAA NI-HI rechargeable battery (create alarm when power off), wireless coding, and other features that make it simple to add more wireless accessories
The Wireless LCD GSM Intelligent Home Security DY-GSM30A Burglar Voice Protect House Alarm contains a built-in artificially intelligent digital voice announcer, a AAA NI-HI rechargeable battery (create alarm when power off), wireless coding, and other features that make it simple to add more wireless accessories