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

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Low Battery Warning for Motion Sensor Gen 2
The Motion Sensor Gen 2 takes a single CR-123A Lithium 3V battery and has a life expectancy of up to 4 years depending on placement and usage. If you are receiving this error shortly after installing your Motion Sensor Gen 2, this may be related to a firmware issue rather than a low battery within
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Motion Sensor Gen 2
Motion Sensor Gen 2 Offline
NOTICE: To ensure optimal performance of your sensor, we recommend updating your Base Station firmware to 2.21.4.6. You can manually run an update by using the SimpliSafe® Mobile App and navigating to My System > Base Station Settings > Firmware and tapping on Update Available. If you're experiencin
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Motion Sensor Gen 2
Motion Sensor Gen 1 Offline
NOTICE: To ensure optimal performance of your sensor, we recommend updating your Base Station firmware to 2.21.4.6. You can manually run an update by using the SimpliSafe® Mobile App and navigating to My System > Base Station Settings > Firmware and tapping on Update Available. If you're experiencin
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Motion Sensor Gen 1
How To Replace Motion Sensor Gen 1 Battery
The Motion Sensor takes a single CR-123A Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage. To change your Motion Sensor battery, slide the sensor up and off its bracket. Then replace the battery and slide it back onto its bracket. If your sensor is still
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Motion Sensor Gen 1
Enabling Secret Alerts for your SimpliSafe® Sensors
What are Secret Alerts? Secret Alerts* are private notifications sent to you by specific sensors you designate to be on a special “alert-only” setting. Sensors on this setting won’t trigger a system alarm or chime to the Base Station, but send a discreet notification directly to you instead. All of
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Sensors
How to Rename a SimpliSafe® Sensor
There may be a point where you need to rename a sensor for your SimpliSafe® System. Renaming a sensor can be done easily through the SimpliSafe® Mobile App, but you can also rename a sensor using your Keypad. The following will walk you through these steps for each platform so you can pick whichever
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Sensors
Adhering Sensors to Surfaces
Installing SimpliSafe® sensors takes less than a minute! In most cases, sensors can be mounted on walls by using the adhesive strips on the back of each device. However, there are some situations where the sensor may not adhere to the wall effectively, like: Brick surfaces: the surface can be rough
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Sensors
