Fedus Pack of 2 Wireless Door Window Security Burglar Sensor Alarm With Magnetic Sensor - Anti Theft System For Home Office - High 105 Decibel Door & Window Door Window Alarm (105) Door & Window Door Window Alarm(105)
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Easily mounted by adhesive tape to window or door. Magnetic sensor switch detects entry protecting your home or office whether you are in or out. Warning door or window sticker is upplied free in package Operated by 3pcs. 1.5V LR44 button cell(Battery included in package) Operation & Installation: 1,Use the doubleside adhesive tape to fix the main unit at the side of the door/window. 2,Attach the bar magnet to door/window frame with the arrow aligning with the refernce line of the main unit. 3,Test the setup by switching the system`s switch` switch to "ON" position of the main unit and see whether the alarm can be triggered by opening the door/ window.
