Whether you're a professional contractor or don't know the difference between a screwdriver and a hammer, the ALC Door/Window Sensor is quick and easy to install. With peel-and-stick installation, simply put one side of the sensor on the frame of your door or window and place the other part on the door or window. The 2-piece device connects with a magnet across the opening. The alarm is set when the connection between the two is broken, and the hub alarm sounds and your receive notification on your smartphone or tablet, with the free ALC app.
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