Reolink Micro SD Cards Recording

Applies to: Reolink cameras with micro SD card or micro SD card slot.
Note: The micro SD card is only for motion detection recording.
Bitrate affects video quality and the size of recording files. In general, the higher the bitrate is, the better the image and audio quality will be, and the bigger the file size will be, vice versa.
Here is the formula that demonstrates the relationship between the SD Card Capacity, the Bitrate, and the Recording Time.
Formula
The formula shows that Recording Time is inversely proportional to Bitrate under the same SD Card Capacity.
Here are some references about the Recording Time under different Birtrate and SD Card Capacity.
All Battery Operated Cameras Record Between 1536kbps and 2048kbps
 
Max. BitRate/kbps                              Recording Time/h
16GB 32GB 64GB
1024 37.3 74.6 149.1
1536 24.9 49.7 99.4
2048 18.6 37.3 74.6
3072 12.4 24.9 49.7
4096 9.3 18.6 37.3
5120 7.5 14.9 29.8
6144 6.2 12.4 24.9
7168 5.3 10.7 21.3
8192 4.7 9.3 18.6

 

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