Frequently Asked Questions

Should I Purchase a 4208U or a 4208SN?
The 4208U and 4208SN are both 8-Zone Polling Loop (V-Plex) Expanders. Both work with the VISTA-128 and VISTA-250 panels. But there are differences. Learn about these expanders.
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How Do I Use Automatic Bluetooth Disarming On My IQ Panel 2 Plus?
Automatic Bluetooth Disarming is an optional feature that will have your IQ2 automatically disarm as soon as your phone comes in range. Learn about Automatic Bluetooth Disarming.
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Why Does My Battery-Powered Z-Wave Device Quickly Drain Batteries?
Older versions of the Honeywell L5100-ZWAVE experience beaming issues when pairing with Z-Wave locks. The device was later updated to fix this issue. Learn about the L5100-ZWAVE.
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What Is a Security Door Sensor
The most commonly used sensors for security systems are door contacts. They are used with nearly every alarm system. Learn about security door contacts and how they are used.
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Can I Connect the Honeywell Lyric to My Phone?
You can use Total Connect 2.0 on your phone to control your Honeywell Lyric Alarm System remotely. This will require alarm monitoring service. Learn about Total Connect 2.0.
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Is a 5881ENHC Compatible with a Honeywell VISTA-20P?
The Honeywell 5881ENHC is a commercial-grade wireless receiver that works with most Honeywell VISTA Systems, including the VISTA-20P. Learn about the Honeywell 5881ENHC.
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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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Is Apple Home Compatible with Alarm.com?
There is currently no Apple HomeKit integration available for Alarm.com. But Alarm.com Siri Shortcuts are available for remote Siri voice control. Learn about Apple and Alarm.com.
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What is the Honeywell L3000LB?
If you find a Honeywell L3000LB, it is just a version of a Honeywell L3000 without a backup battery included. You must add a backup battery separately. Learn about the L3000LB.
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What Is the Maximum Temperature a 2GIG Smoke Detector Can Withstand?
The operating temperature for a 2GIG Smoke Detector ranges from -40°F to 100°F. Prolonged exposure outside this range can result in damage. Learn about 2GIG Smoke Detectors.
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