door/window entry alarm

DOOR/WINDOW ENTRY ALARMFEATURES: Easily mounted by abhesive tape to window or door. Magnetic sensor switch detects entry protecting your home or office whether you are in or out.Warning door/window sticker is supplied Free in package . Operated by 3 pcs 1.5V LR44 button cell(battery included in package). OPERATING INSTRUCTIONS: 1. Use the doubleside a dhesive tape to fix the main unit at the side of the door/window.Attach the bar magnet to door frame/window frame with the arrow aligning with the reference line of the main unit. 2. Test the setup by switching the system’s switch to “on” position of the main unit and see whether the alarm can be triggered by opening the door/window.

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