What does time-lapse photography 120x mean?

Take time-lapse photography at the speed of 120 times.

According to Baidu Encyclopedia, time-lapse photography, also known as interval photography, time-lapse photography and time-lapse photography, is a kind of photography technology that sets the shooting frequency of pictures to be much lower than that required for watching continuous pictures in general. Time-lapse camera is a kind of camera that takes pictures by time-lapse photography. So time-lapse photography 120x means time-lapse photography at the speed of120x. Specifically, if the default delay speed of the camera is 1 sec, then selecting 120x means taking pictures every 1 20th second instead of1sec. This shooting method is usually used to shoot long-term changes, such as sunrise and sunset, cloud changes and so on.