What is the format, resolution and size of the MP4 video messages?

Personalized video messages are downloaded in mp4 format with the following specifications:
Resolution: 1920 x 1080
Video: H264, 24 FPS
Audio: AAC, 48khz, Stereo (L/R)
Data rate: +/- 3Mbit/s

The format will work on most computers, laptops, tablets, and smartphones. If you don't have a media player that supports this format, the Invengineer elves recommend downloading the following free player on your computer: http://www.videolan.org/vlc/index.html