This is the ad free version off Screen Timeout.
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Screen Timeout is a powerful tool to edit the timeout setting which is responsible to lock your screen after a period of time. The Timeout can be set to preset values or to a exact to the second custom one.
With the big widget you can set the timeout to a custom value easy and quick.
You can easily switch the timeout for the screen between 'no timeout' and the previous set value by the small Widget.
If you want to, a notification is shown whether the timeout is disabled or not.