‎Entry Sensor | SimpliSafe Help Center

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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

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 • Entry Sensor

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

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 • Entry Sensor

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

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 • SS2 System

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

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 • Entry Sensor

How long do the batteries last, and what type do my devices use?

The battery life for our components varies slightly by system version and component type.For our latest SimpliSafe:ComponentBattery/Batteries UsedBattery Life ExpectancyBase Station4 NiMH rechargeable AA 1.2V*N/AEntry Sensor1 CR-2032 Lithium 3VUp to 10 yearsMotion Sensor1 CR-123A Lithium 3V3-5 years

battery/power

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 • Base Station

Device and Sensor Settings

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. Click here to view the article about the Original SimpliSafe. If you're not

settings

sensor troubleshooting

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 • Entry Sensor

How do I remove my Entry Sensor magnet (the smaller part of the sensor) from the wall?

The Entry Sensor magnet uses a slightly different adhesive than the other sensors. Remove the magnet by rotating the magnet slowly until the adhesive loosens and you can pull it off the wall.

sensor troubleshooting

install/set up

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 • Entry Sensor