Prestashop idle user logout module makes logout to those users who will be inactive for certain time which can be configured from the module admin settings.
This module will show a popup when users will be inactive and ask them to make logout or continue with logged in with a countdown timer. So that user can know that they will be automatically logout after a certain time.
The module has a feature for redirect where admin can set the redirect url. So when a user will be logout it will be redirect to an external url or any page url from the store which can be configured from the admin panel.
Admin option for change looks and feel of the text, popup and buttons. So that the popup will be match to your theme looks easily.
The module works across multiple tabs.