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How do Motion Sensors Respond During an Alarm

When the system is in an armed state (Home or Away Mode) and a Motion Sensor detects motion within your home or business, the entry countdown will begin. The entry countdown by default is 30 seconds, however, this can be adjusted at any time within the SimpliSafe® App.If the system is disarmed withi

Install / Set Up Help

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Which Version of the Motion Sensor do I have?

If you purchased a Motion Sensor from SimpliSafe or an authorized retailer prior to April 2023, it is likely that you have the first generation of the Motion Sensor. You can also tell which version of the Motion Sensor you have by comparing the size of the dome on it. The Motion Sensor Gen 1 has a d

Install / Set Up Help

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Motion Sensors

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Motion Sensor Gen 2 Offline

If your Motion Sensor Gen 2 is showing as offline on the SimpliSafe® Mobile App, this is an indicator that the battery within the device needs to be replaced. The Motion Sensor Gen 2 takes a single (1) CR-123A Lithium 3V battery and has a life expectancy of up to 4 years depending on placement and u

Errors / Warnings

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Motion Sensor Gen 2

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How to Replace Motion Sensor Gen 2 Battery

Are you receiving a low battery warning on your Motion Sensor Gen 2 shortly after installing the sensor? If so, this may be related to a firmware issue rather than a low battery within the device. The Motion Sensor Gen 2 takes a single CR-123A Lithium 3V battery and has a life expectancy of up to 4

Battery / Power

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Motion Sensor Gen 2

Testing the Motion Sensor Gen 2

Test Mode is a great way to test the connection between your Base Station and other sensors. We recommend periodically placing your system into Test Mode to ensure that your sensors are still communicating with the Base Station without any errors. Placing Your System Into Test ModeDisarm your system

Troubleshoot an Issue

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Motion Sensor Gen 2

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Motion Sensor Gen 2 Not Detecting Motion

If your Motion Sensor Gen 2 is not detecting motion, it’s likely the result of the placement of the Sensor itself. We recommend mounting the Motion Sensor Gen 2 in the corner of your room. For optimal performance, the sensor must be mounted 6 feet from the ground. This ensures proper coverage throug

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Motion Sensor Gen 2