Canon EOS Rebel SL1 18-55mm IS STM Lens Kit - Manual (Page 181)

181
Shooting Movies
Movie shooting is enabled by
setting the power switch to
<k>. The movie recording
format will be MOV.
For cards that can record movies, see page 3.
Full HD 1080
Full HD 1080 indicates compatibility with High-
Definition featuring 1080 vertical pixels (scanning
lines).
COP
Y