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Why Is My Entry Sensor Shown As Open When My Door Is Closed?

If your Entry Sensor is showing as open, despite doors or windows being closed, one of two things may be contributing to the issue.

sensor troubleshooting

Help Center Article

 • Entry Sensor

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How to replace batteries in SimpliSafe Devices

With the exception of the Base Station, SimpliCam Indoor Camera, and Key Fob, all of the components for our latest SimpliSafe have batteries that can and should be replaced periodically.

battery/power

Help Center Article

 • Entry Sensor

SA
What is the expected battery life of Original SimpliSafe devices?

Does your Keypad look like the one pictured to the left? Then you're in the right place! You've got the Original SimpliSafe system. If you purchased a new system in 2018 or later, you likely have the Gen 3 SimpliSafe. Click here to view the article for the Gen 3 SimpliSafe. If you're not certain whi

battery/power

Help Center Article

 • SS2 System

How To Replace Water Sensor Battery

The Water Sensor takes a single CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage.To change your Water Sensor battery, twist the bottom and top apart and replace the battery inside. To close it again, make sure that the grooves are aligned before

battery/power

Help Center Article

 • Water Sensor

How To Replace Glassbreak Sensor Battery

The Glassbreak Sensor takes a single CR-123A Lithium 3V battery and has a life expectancy of up to 3 years depending on placement and usage.To change your Glassbreak Sensor battery, slide the sensor up and off its bracket. Then, replace the lithium battery and put the device back in place.

battery/power

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 • Glassbreak Sensor

How To Replace Temperature Sensor Battery

The Temperature Sensor takes a single CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage.To change your Temperature Sensor battery, remove it from its bracket to expose the battery compartment. Then replace the battery and slide the sensor back int

battery/power

Help Center Article

 • Temperature Sensor

How to Replace Entry Sensor Battery

The Entry Sensor takes a single 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.

battery/power

Help Center Article

 • Entry Sensor