How To Change Rsync SSH Port While Backup

Here is a simple way to backup your homedir via rsync
but the other thing is we will try to rsync via unusual ssh port.

Example :

Backup /home/testing to server.wowtutorial.org at port 7000

#rsync -av -e 'ssh -p 7000' /home/testing backupuser@server.wowtutorial.org