Lead Exit is another word for wire or cable exit
Every motorized screen will need a cable (lead) to exit the housing and connect to power. Directly or with a plug.
When ordering you can choose the exit location
Back Exit
Motor lead will be exited out back side on housing.
Top Exit
Motor lead will be exited out top side on housing
Front Exit
Motor lead will be exited out box front on housing
Other
Describe your own custom motor cable exit location