set-and-forget
adjectiveUK /ˌset ən ˈfəɡet/
US /ˌset ən fərˈɡet/
Something you set up once and then don't have to think about again.
The new sprinkler system is set-and-forget, so the garden waters itself every morning.
OTHER MEANINGS
2. A feature or device that keeps working on its own without needing changes.
Her set-and-forget alarm clock wakes her up at the same time every day.
3. A way of doing something that needs no ongoing attention or adjustment.
He prefers a set-and-forget savings plan that moves money automatically each month.
4. Describing a system that is configured once and then runs reliably on its own.
The set-and-forget backup software saves all our files without anyone clicking a button.