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Change the Batteries

Your panel will alert you when it's time to change your recessed door sensor's batteries. Recessed door sensors take one CR2 battery. The length your battery can last, varies based on use. However, you should expect your batteries to last between six and eight months. Please note: extreme temperatures can cause your batteries to deplete faster than normal.

When it's time to replace your batteries, follow these steps:

First Gen Recessed Door Sensor
Most customers currently have first gen door sensors. You can tell if your sensor is a first gen if it is flat on the front and has a small square cut out. If you have a next gen door sensor, scroll down to the section for that sensor. If you have a first gen door sensor, follow the steps below:

1First, make sure that your system is disarmed and note that you may hear some beeping from the panel when you open the sensor
2Go to your recessed door sensor and pull the sensor out of the doorframe
3Remove the top cap of your sensor and slide the circuit board out. The battery should be sitting in the back of the circuit board
4Take out the old battery and replace with a CR2 battery
5Replace the top cap and put the sensor back into the door frame
6Safely dispose of the old batteries
Next Gen Recessed Door Sensor
You may have a next gen door sensor if your sensor was recently installed and has a groove on the front. If you have a next gen door sensor, follow the steps below:

1First, make sure that your system is disarmed and note that you may hear some beeping from the panel when you open the sensor
2Go to your recessed door sensor and use a penny or dime to twist the sensor to the left and out of the door frame
3Take out the old battery and replace with a CR2 battery
4Slide the sensor back into the door frame with the two guides lined up. Use your coin to twist the sensor to the right to tighten it into place
5Safely dispose of the old batteries

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