free delivery here also.Alerts a person to a door or window opening,super environmental suitability and stability ,dustproof and insect prevention.
Protecting your home or office whether you are in or out,magnetic sensor switch detects entry
Good for people who wander or to increase home security, Ideal entry warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, and more
Easily mounted by adhesive, type to window or door.
Package include: 1 x Alarm Unit,1 x Magnetic Sensor
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