Prestashop Popup Module

Prestashop Popup Module allows you to display custom messages like sales, latest deals, and special offers etc to your customers in attractive display options and you can also customize the options of when and where to display these messages.
PrestaShop popup add-on is useful in scheduling and boosting the conversions of Ecommerce store, it enables storeowners to include customizable popup feature for all formats of content
https://addons.prestashop.com/en/pop-up/17340-notification-b...