Applies to: All Reolink battery-powered cameras.
Reolink battery-powered cameras don't support Pre-record but provide Post-record for its motion detection.
And you can set Record Extension to decide how long the camera will record to SD card at least.
You may refer the following steps to adjust Record Extension according to your requirement:
On Reolink app:
Go to Device Settings-> Record Setting-> Record Extension.
Adjust record extension according to your requirement-> system will direct you back to the previous page, click on Save button.
On Reolink Client:
Open Local Setting-> Recording Option.
Select the duration you need from the drop-down list of Post-record, click on OK button to save.