Wireless Recessed Door/Window Alarm Sensors Frequently Asked Questions

Who Can I Call to Install a Recessed Door Sensor?
A recessed door sensor can be self-installed by the end user in most cases. The process is quite simple once you know what you are doing. Learn how to install a recessed contact.
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How Do I Remove an Alarm Sensor from a Door or Window?
Many users will want to remove an alarm sensor from a door or window to use it in a new location. This process is fairly easy. Find out how to remove door and window contacts.
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How Do I Install a Recessed Alarm Sensor in a Sliding Glass Door?
Sliding glass doors often use surface-mount contacts. This is because it can be impossible to drill the required holes for recessed contacts. Learn the options for sliding doors.
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Where Do I Install a Sensor Contact on a Door?
The best place to install a contact is on a door frame. The magnet should be installed on the moving part of the door, within a half-inch of the sensor. Learn about door contacts.
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What is a Door Contact Sensor
Alarm systems use door contact sensors to know whether or not doors are opened or closed. This is important for monitoring building activity. Learn about door contacts.
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