KERUI Upgraded Home Security System Indoor Outdoor Weather-Proof Siren Window Door Sensors Motion Sensor Alarm with…

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We offer the newest version siren host from Aug,2020;different from old one is setup guide,PLEASE NOTE an important tips:have to trigger the sensors within 6 seconds during the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming;home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again.
DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind.