Sensors
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.

Entry Sensor
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
Motion Sensors
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
Glassbreak Sensor
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
Water Sensor
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
Temperature Sensor
Get the most out of your SimpliSafe system by getting answers to your questions and support for your devices.
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Temperature Sensor Overview and Installation Guide
Overview
The Temperature Sensor triggers an alarm when your home’s temperature goes above or below the temperature range that you set.
We won’t request dispatch of emergency services for temperature alarms, but with professional monitoring you’ll receive an automated call letting you know about the alarm.
Need to purchase a Temperature Sensor? You can find it available for purchase on our website.
Before Getting Started
Before setting up your Temperature Sensor, you will need to install your Base Station.
You should also make sure that the surface you want to put the sensor on has been wiped clean and has had time to dry.
The Temperature Sensor should be placed in an area where you want to closely monitor its temperature - like near pipes that may run the risk of freezing or in climate-controlled rooms. We don’t recommend putting the Temperature Sensor near a boiler or furnace, as their residual heat could trigger false alarms.
What’s in the Box
Temperature Sensor with its mounting plate
Screws (optional for permanent installation)
If you want to mount your Temperature Sensor on a wall using its adhesive backing, make sure the surface has been wiped clean and has had time to dry.
If you plan on wall mounting your Temperature Sensor with the included screws, you’ll want to also have a Phillips head screwdriver available.
How to add the Temperature Sensor in the SimpliSafe® Mobile App
Open the SimpliSafe® Mobile App on your smartphone or tablet
Navigate to the three-bar menu on the upper left corner and select Add Device or Camera
Select Temperature Sensor from the list of available products
How to Pair the Temperature Sensor to Your System
Remove the battery tab on the back of the device by pulling it straight out
Press and release the setup button on the top of the device
Once the setup button has been pressed, the Base Station should say “Temperature Sensor”
Choose a name for the device by selecting one of our pre-populated names, or select Custom Name at the bottom of the screen to input your own
How to Mount the Temperature Sensor
Bring the Temperature Sensor to its desired location if you have not already
We recommend placing the Temperature Sensor next to a thermostat, in a climate-controlled room, or near plumbing that’s vulnerable to freezing
Avoid placing the Temperature Sensor near a boiler or furnace, as their residual heat could trigger false alarms
How to Mount the Temperature Sensor With its Adhesives
Clean the desired surface using rubbing alcohol
Wait for the surface to dry completely
Peel the plastic backing off of the adhesive strip on the back of the Temperature Sensor
Press and hold the Temperature Sensor in place for 30 seconds
How to Mount the Temperature Sensor With its Included Screws
Slide the Temperature Sensor up and off its mounting plate
Use a screwdriver to secure the mounting plate to the wall
Slide the Temperature Sensor back on the mounting plate
Watch the video below for a hands-on experience from our team of experts for the installation process
Troubleshooting
Compliance
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Help Center Article
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Temperature Sensor
Water Sensor Overview and Installation Guide
Overview
The Water Sensor alerts you to leaks and flooding, helping you prevent expensive water damage. They are always sensing, whether your system is armed or not.
We won’t request dispatch of emergency services for water alarms, but with professional monitoring you’ll receive an automated call letting you know about the alarm.
Need to purchase a Water Sensor? You can find it available for purchase on our website.
Before Getting Started
Before setting up your Water Sensor, you will need to install your Base Station.
The Water Sensor should be placed on the floor where there is a risk of leaks, flooding, or broken plumbing. We recommend putting the Water Sensor in a laundry room, basement, or underneath a sink.
How to add the Water Sensor in the SimpliSafe® Mobile App
Open the SimpliSafe® Mobile App on your smartphone or tablet
Navigate to the three-bar menu on the upper left corner and select Add Device or Camera
Select Temperature Sensor from the list of available products
How to Pair the Water Sensor to Your System
Press and release the setup button on the top of the device
Once the setup button has been pressed, the Base Station should say “Water Sensor”
Choose a name for the device by selecting one of our pre-populated names, or select Custom Name at the bottom of the screen to input your own
Where to Put the Water Sensor
Bring the Water Sensor to its desired location if you have not already
We recommend placing the Water Sensor in laundry areas, basements, underneath a sink, or near water heaters and sump pumps
For the simplest installation, place your Water Sensor on the floor
The device should be placed on a flat surface; other items touching the contacts on the bottom of the device can cause false alarms
Watch the video for a hands-on installation experience from our team of experts.
Troubleshooting
Compliance
Related Articles
Help Center Article
•
Water Sensor
Motion Sensor Gen 2 Settings & Customizations
The Motion Sensor Gen 2 has a variety of settings that can be customized to fit your home or business’ needs. You can make adjustments to the sensor’s settings and the way it behaves during different armed states in the SimpliSafe® Mobile App.
Using the SimpliSafe® Mobile App
Open the SimpliSafe® Mobile App on your phone or tablet
Choose My System from the navigation bar at the bottom of the screen
Select Device Settings
Choose your Motion Sensor Gen 2 from the list of available devices
Device Behaviors
Off
This setting manages how the Motion Sensor behaves when triggered in Off mode. The Motion Sensor will not be active when the SimpliSafe® system is disarmed in Off mode, so this setting cannot be customized.
Home
This setting manages how the Motion Sensor behaves when triggered in Home mode. This setting is disabled by default, but to customize the setting you may pick between Alarm or Disabled.
Away
This setting manages how the Motion Sensor behaves when triggered in Away mode. This setting is set to Alarm by default, but to customize the setting you may pick between Alarm or Disabled.
Instant Trigger
When Instant Trigger is enabled, your Motion Sensor will trigger an alarm right away when it detects motion, bypassing the system’s Entry Delay. This feature is helpful when monitoring areas of your home or business that you do not enter often.
To customize this setting, simply toggle it On or Off in the SimpliSafe® App.
Note: When enabled, your Motion Sensor will always scan for motion in both Home and Away Mode.
Pet Mode
Pet Mode can be turned on if you have dogs or cats in your home or business. Enabling this setting allows the Motion Sensor to filter pets (up to 60 pounds) in its detection algorithm.
To customize this setting, simply toggle is On or Off. By default, Pet Mode is Off.
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Motion Sensor Gen 2
Motion Sensor Gen 1 Settings & Customizations
The Motion Sensor Gen 1 has a variety of settings that can be customized to fit your home or business’ needs. You can make adjustments to the sensor’s settings and the way it behaves during different armed states in the SimpliSafe® Mobile App.
Using the SimpliSafe® Mobile App
Open the SimpliSafe® Mobile App on your phone or tablet
Choose My System from the navigation bar at the bottom of the screen
Select Device Settings
Choose your Motion Sensor Gen 1 from the list of available devices
Device Behaviors
Off
This setting manages how the Motion Sensor behaves when triggered in Off mode. The Motion Sensor will not be active when the SimpliSafe® system is disarmed in Off mode, so this setting cannot be customized.
Home
This setting manages how the Motion Sensor behaves when triggered in Home mode. This setting is disabled by default, but to customize the setting you may pick between Alarm or Disabled.
Away
This setting manages how the Motion Sensor behaves when triggered in Away mode. This setting is set to Alarm by default, but to customize the setting you may pick between Alarm or Disabled.
Instant Trigger
When Instant Trigger is enabled, your Motion Sensor will trigger an alarm right away when it detects motion, bypassing the system’s Entry Delay. This feature is helpful when monitoring areas of your home or business that you do not enter often.
To customize this setting, simply toggle it On or Off in the SimpliSafe® App.
Note: When enabled, your Motion Sensor will always scan for motion in both Home and Away Mode.
Motion Sensitivity
The Motion Sensitivity setting allows you to increase or decrease the Motion Sensor’s detection range. The Motion Sensor’s sensitivity is set to Medium by default, but you can increase it to High to make it more sensitive to motion, or decrease it to Low to make it less sensitive.
This adjustment is made on the sensor itself rather than in the SimpliSafe® App. To customize this setting:
Slide the Motion Sensor up and off its bracket
You will see a switch labeled Sensitivity above its battery
Slide the switch to the left to decrease the Motion Sensor’s sensitivity, or to the right to increase it
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Motion Sensor Gen 1
How Does the Temperature Sensor Respond During an Alarm
The Temperature Sensor will sound the alarm when it detects that the temperature within your home or business has gone above or below the temperature range that you set. This can help alert you to the potential hazard at hand, such as the potential for freezing pipes, or the cooling within your home no longer working during a heat wave.
Depending on your monitoring plan, you may receive push notifications, alarm texts and/or a phone call in the event this alarm sounds. The call is placed to the Primary Contact first, followed by the Secondary Contact in the event the Primary Contact does not answer. If neither answer, don’t worry - this call is simply a robocall from the monitoring center to alert you of the active situation. It does not result in dispatch to your system’s location.
We encourage you to save the monitoring center number to your phone. That number is 855-693-4911.
Once saved to your phone, you’ll also want to allow us access to bypass Do Not Disturb and Silent Profiles. This allows for Critical Alarm Notifications to get through to you, regardless of your phone’s volume or profile status.
Help Center Article
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Temperature Sensor
Motion Sensor Gen 1 False Alarms

Does your Keypad look like the one pictured to the left? Then you're in the right place! You've got the Gen 3 SimpliSafe® system. If you purchased a system in 2017 or earlier, you have the Original SimpliSafe®. You can learn more about the differences between the two systems on our Help Center.
False Alarm Causes
SimpliSafe’s® Motion Sensors have been designed to avoid false alarms. However, if you’ve experienced one, there are a few potential issues that may cause them:
Direct sunlight hitting the sensor can trigger a false alarm.
Heating vents located in the room. If they are located within the sensor’s field of vision, they may cause false alarms.
Pets that are able to get too close to the sensor. Pets under 30 pounds generally don’t trigger Motion Sensors, but if they get close enough to the sensor, smaller dogs or cats may still be able to trigger it.
Avoiding False Alarm Triggers
Sunlight can be avoided by placing your Motion Sensor in a corner where it will not be directly hit by sunlight throughout the day.
If you suspect that heating vents may be responsible for false alarms, position your sensor in a part of the room where it will not see the hot or cold air vent. As long as the change in the room’s ambient temperature is gradual, the sensor should not trigger.
Pets may require small adjustments to your motion sensor placement. You can view this video to learn more about adjusting your motion sensors with pets in the home.
Cancelling a False Alarm
If an Entry-, Motion-, or Glassbreak-triggered alarm is disarmed within 30 seconds of the initial alarm signal, our Monitoring Center will consider this a false alarm. That means you will not receive a phone call and a request for emergency services will not be issued.
After 30 seconds, the Monitoring Center will attempt to reach the Primary Contacts for your system to inform you of the alarm and determine whether or not emergency services are needed. They'll ask for your Safe Word if you wish to cancel the request for dispatch (not send the police). Otherwise, the Monitoring Center will request police dispatch to the location of your system.
Please note, giving the wrong safeword will result in an immediate request for dispatch and you won't be told you got it wrong to protect anyone who may be under duress. Missing the phone calls to your primary contacts will also result in a request for police dispatch. See our What Happens During the Event of an Alarm? article for more information on what happens during an alarm.
Help Center Article
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Motion Sensor Gen 1
How Does the Water Sensor Respond During an Alarm
The Water Sensor will sound the alarm when it detects water in its chamber. This could be the result of a small leak, or something more dangerous like flooding within your home or business.
Depending on your monitoring plan, you may receive push notifications, alarm texts and/or a phone call in the event this alarm sounds. The call is placed to the Primary Contact first, followed by the Secondary Contact in the event the Primary Contact does not answer. If neither answer, don’t worry - this call is simply a robocall from the monitoring center to alert you of the active situation. It does not result in dispatch to your system’s location.
We encourage you to save the monitoring center number to your phone. That number is 855-693-4911.
Once saved to your phone, you’ll also want to allow us access to bypass Do Not Disturb and Silent Profiles. This allows for Critical Alarm Notifications to get through to you, regardless of your phone’s volume or profile status.
Help Center Article
•
Water Sensor
