The plugin is easy to set and use, you only have to activate the plugin, select in which category the warning to appear and include the text for popup warning.
This plugin show a warning if a search is made in your selected category, on search page and on item page if the current item is from your selected category.
The plugin have option in admin panel for set the hot category and include the text which will appear in the popup warning.
4 different color schemes available for warning pop-up.
From 1.2.1 you have multiple option to show the pop-up. Only on home page , in all pages, on home page and search page inclusive item page if the ad is from selected category in plugin, on search page and item page if the ad it from selected category.