9C’s video quality/compression rate is 700Kbps/30% and one video file’s size is 15MB per 2 minutes, one video file is saved at SD card every two minutes in a loop. So, if you use 16G SD card, it has about 35-hour-long video files. | 9C’s video quality/compression rate is 700Kbps/30% and one video file’s size is 15MB per 2 minutes, one video file is saved at SD card every two minutes in a loop. So, if you use 16G SD card, it has about 35-hour-long video files. |