The video shows a person's hand scrolling through a list of frame sizes on a phone screen. The person's finger is seen scrolling through the list, which includes different frame sizes such as 320x480, 480x360, 640x480, 800x600, 1280x720, and 1920x1440. The person selects the 1280x720 frame size and then taps on the checkmark to confirm the selection. The phone screen is brightly lit, and the background is dark.