diff --git a/subscription.py b/subscription.py
new file mode 100644
index 0000000..43406ae
--- /dev/null
+++ b/subscription.py
@@ -0,0 +1,14 @@
+from trytond.pool import PoolMeta
+from trytond.model import ModelSQL, ModelView, fields
+
+class Subscription(metaclass=PoolMeta):
+    __name__ = 'sale.subscription'
+
+    equipments = fields.Many2Many('sale.subscription-optical.equipment', 'subscription', 'equipment', "Equipments")
+
+class SubscriptionEquipment(ModelSQL):
+    'Optical Equipment - Subscription'
+    __name__ = 'sale.subscription-optical.equipment'
+    
+    subscription = fields.Many2One('sale.subscription.line', 'Subscription Line', select=True)
+    equipment = fields.Many2One('optical.equipment', 'Equipment', select=True)
diff --git a/subscription.xml b/subscription.xml
new file mode 100644
index 0000000..fe65454
--- /dev/null
+++ b/subscription.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!--This file file is part of Tryton. The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <record model="ir.ui.view" id="subscription_view_form">
+	<field name="model">sale.subscription</field>
+	<field name="inherit" ref="sale_subscription.subscription_view_form"/>
+	<field name="name">subscription_form</field>
+    </record>
+</tryton>
diff --git a/view/subscription_form.xml b/view/subscription_form.xml
new file mode 100644
index 0000000..756ee16
--- /dev/null
+++ b/view/subscription_form.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<!--This file file is part of Tryton. The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath
+	expr="/form/notebook/page[@id='subscription']" position="after">
+	<page string="Equipments" id="equipments_subscription">
+	    <field name="equipments" colspan="4"/>
+	</page>
+    </xpath>
+</data>