IPhone time-lapse photography 2 hours memory

7200 megabytes. The memory of iPhone time-lapse photography for 2 hours should be 7200MB, and the iPhone time-delay is almost one minute and one second, which translates into 60 frames per hour. Generally, it is very clear that 720P video uses a bit rate of 8 m. This means that the data volume of 1 s is 1M, and one hour is 3600 seconds, so 3600*2=7200, and the memory of delayed photography for 2 hours should be 7200MB.