The maximum supported 32GB microSD card on loop recording will automatically delete the earliest videos and overwrite with new footage. The 32G SD card can record approximately 4 days of continuous video.
4GB:11~13 hours,Around 1/2 day
8GB:22~26 hours,Around 1 day
16GB:44~52 hours,Around 2 days
32GB:88~104 hours,Around 4 days