Door & Window Alarm Sensors Frequently Asked Questions

What Are the Best Wireless Door/Window Alarm Contacts?
Door and window contacts are some of the most important security sensors that are used with security systems. This type of device will monitor a door or a window and let the user know when it has been opened. We offer many great wireless door and window contacts. Discover which ones are the best.
Added:

What is the Best Door/Window Sensor for the VISTA 21iP?
The best door and window sensor for a VISTA 21iP depends upon the needs of the end user. The user will need to decide if they want their sensor to be hardwired or wireless. They will also need to choose between recessed and surface-mounted contacts. Learn more about door and window sensors.
Added:

How Do I Remove Embedded (Recessed) Door or Window Security Sensors?
Removing a recessed door or window sensor is extremely simple. The sensor can simply be pulled out of the door or window frame in which it has been installed. If it is hardwired, you will need to disconnect its wire first. Learn more about how to remove recessed door and window sensors.
Added:

Should I Use Door & Window Sensors or Motion Detectors?
For the best possible security setup, you should use both door and window sensors and motion detectors. More devices will provide better protection for your property, and it is always a good idea to have a backup plan in case one sensor fails. Learn more about these types of devices.
Added:

Can I Install My Own Window and Door Contacts for a Honeywell Security System?
Many door and window contacts can easily be installed by an end user. This is especially true for wireless surface-mount contacts. Wireless recessed contacts require drilling, but they are still relatively easy to install. However, the installation of hard-wired contacts may warrant some extra help.
Added:

What Is a Security Door Contact?
When attached to a door, a security contact will let the system know when the door has been opened. Both wireless and wired door contacts are available.
Added:

How Do I Install a 5820L Slim Line Sensor?
When installing a 5820L door and window sensor, you will want to mount the device on the frame of the door or window and its magnet on the moving portion.
Added:

Is a Honeywell 5818MNL compatible with a 2GIG GC3?
As a 5800 Series sensor, the Honeywell 5815MNL is compatible with the 2GIG GC3. No additional add-ons are needed to use the 5818MNL with a 2GIG GC3 panel.
Added:

Can I Install a Window Contact on a Honeywell Alarm?
A window contact can be installed on any Honeywell panel. The optimal window sensor depends on the model of the panel and the applications that are needed.
Added:

What's the Best Window Sensor for the Honeywell L3000?
There are many great window sensors from the Honeywell 5800 Series that pair well with the Honeywell L3000. The best window sensor depends on the user's needs.
Added: