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

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How to Find the Serial Number for Your SimpliSafe® Device or Camera
During troubleshooting or for account verification purposes, you may be required to identify the serial number for a product within your system. You can easily find the serial number for your devices or cameras within the SimpliSafe® Mobile App. Locating the Serial Number for your Base Station in th
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Product Support
The Base Station Won't Chime When an Entry Sensor is Opened
If your Base Station is not emitting a chime when the Entry Sensor is open, there are a few steps to take to try and troubleshoot this issue. Before taking any steps, we recommend disarming your system by setting it to OFF in the SimpliSafe® Mobile App or on your Keypad. Additionally, go through eac
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Entry Sensor
Entry Sensor Not Responding
Sensors in the SimpliSafe® system will issue a “Not Responding” error when they fail to check in with the Base Station for more than 24 hours. We typically see this happen for one of two reasons: The battery within your Entry Sensor needs to be replaced The Entry Sensor is too far away from the Base
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Entry Sensor
How to Replace the Entry Sensor's Battery
The Entry Sensor takes one Duracell CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage. To change your Entry Sensor battery, slide the sensor up and off its bracket. Then replace the lithium battery and slide the sensor back onto its bracket. Is yo
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Entry Sensor
What's the difference between Entry Delay, Exit Delay, and Instant Trigger?
Your Entry-, Motion-, and Glassbreak Sensors come equipped with several modes that can help you with arming your system, disarming it, and triggering an alarm event the moment the sensor is triggered. Below you can learn more about what each mode does and how it impacts the usage of your system. Ent
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Using Your System
Entry Sensor Offline
If your Entry Sensor is showing as offline in the SimpliSafe® Mobile App, that could indicate that the battery within the device needs to be replaced. The Entry Sensor takes one Duracell CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years, depending on placement and usage. To repla
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Entry Sensor
Entry Sensor Settings & Customizations
Your Entry Sensor can be customized to fit the needs of your home or business, whether your system is Armed or Off. Below are the steps on how to access your Entry Sensor’s settings, and what you’ll be able to find in that portion of the SimpliSafe® Mobile App. To adjust your Entry Sensor’s Settings
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Entry Sensor
