Configuration/Core/client/html/catalog/session/seen/default/maxitems

Summary
Maximum number of products displayed in the "last seen" section

client/html/catalog/session/seen/default/maxitems = 6


 * Default: 6
 * Type: integer - Number of products
 * Since: 2014.03

Description
This option limits the number of products that are shown in the "last seen" section after the user visited their detail pages. It must be a positive integer value greater than 0.