You can in website's settings, add some extra fields to be shown on the product page. E.G. if you want to have the internal code, the barcode, or even a custom field In case of a binary field, 'Technical documentation' or 'Catalog', you will have a dowload link. closes odoo/odoo#55872 Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>