diff --git a/product_usability/product.py b/product_usability/product.py
index f906970..c567a99 100644
--- a/product_usability/product.py
+++ b/product_usability/product.py
@@ -1,4 +1,4 @@
-# -*- encoding: utf-8 -*-
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 #    Product Usability module for Odoo
@@ -29,3 +29,20 @@ class ProductTemplate(models.Model):
     price_history_ids = fields.One2many(
         'product.price.history', 'product_template_id',
         string='Product Price History')
+    name = fields.Char(track_visibility='onchange')
+    type = fields.Selection(track_visibility='onchange')
+    categ_id = fields.Many2one(track_visibility='onchange')
+    list_price = fields.Float(track_visibility='onchange')
+    sale_ok = fields.Boolean(track_visibility='onchange')
+    active = fields.Boolean(track_visibility='onchange')
+    state = fields.Selection(track_visibility='onchange')
+    weight = fields.Float(track_visibility='onchange')
+    weight_net = fields.Float(track_visibility='onchange')
+
+
+class ProductProduct(models.Model):
+    _inherit = 'product.product'
+
+    default_code = fields.Char(track_visibility='onchange')
+    ean13 = fields.Char(track_visibility='onchange')
+    active = fields.Boolean(track_visibility='onchange')
diff --git a/purchase_usability_extension/purchase.py b/purchase_usability_extension/purchase.py
index b3da868..f9a9f80 100644
--- a/purchase_usability_extension/purchase.py
+++ b/purchase_usability_extension/purchase.py
@@ -55,3 +55,9 @@ class ResPartner(models.Model):
         compute='_purchase_stats', string='# of Purchase Order')
     supplier_invoice_count = fields.Integer(
         compute='_purchase_stats', string='# Supplier Invoices')
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    purchase_ok = fields.Boolean(track_visibility='onchange')
diff --git a/stock_usability/__init__.py b/stock_usability/__init__.py
index 2e4abfb..70f4030 100644
--- a/stock_usability/__init__.py
+++ b/stock_usability/__init__.py
@@ -2,3 +2,4 @@
 
 from . import stock
 from . import procurement
+from . import product
diff --git a/stock_usability/product.py b/stock_usability/product.py
new file mode 100644
index 0000000..bc1dc32
--- /dev/null
+++ b/stock_usability/product.py
@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+# © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp import models, fields
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    track_all = fields.Boolean(track_visibility='onchange')
+    track_incoming = fields.Boolean(track_visibility='onchange')
+    track_outgoing = fields.Boolean(track_visibility='onchange')
+    sale_delay = fields.Float(track_visibility='onchange')