PIR Sensor Dual Passive Infrared Motion Detector Hard Wired Request to Exit for Residential or Commercial Burglar Alarm Systems

This passive infrared sensor (PIR) operates on 9-12VDC and has a form c relay output that can be hooked up normally open (NO) or normally closed (NC). It has

GSM Anti Burglar DIY Smart Alarm System Yard Kit For Home Wireless Residential Security W Remote Control Door Contact Motion Detector Homekit

This house alarm system will goes off and make phone or sending message to you or who you want (need 2G SIM card), once someone trigger this system These