diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3be890ef..cfe9bde7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ ml).
 ## testing
   [1.0.9-beta]
 - [addend] #159 external document as proof of erase of disk
+- [addend] #162 adding lot for devices unassigned
 
 
 ## [1.0.8-beta]
diff --git a/ereuse_devicehub/resources/device/views.py b/ereuse_devicehub/resources/device/views.py
index 20982430..b046b49d 100644
--- a/ereuse_devicehub/resources/device/views.py
+++ b/ereuse_devicehub/resources/device/views.py
@@ -86,6 +86,7 @@ class DeviceView(View):
         filter = f.Nested(Filters, missing=[])
         sort = f.Nested(Sorting, missing=[Device.id.asc()])
         page = f.Integer(validate=v.Range(min=1), missing=1)
+        unassign = f.Integer(validate=v.Range(min=0, max=1), missing=0)
 
     def get(self, id):
         """Devices view
@@ -161,6 +162,7 @@ class DeviceView(View):
             (Device.owner_id == g.user.id) | (Device.id.in_(trades_dev_ids))
         ).distinct()
 
+        unassign = args.get('unassign', None)
         search_p = args.get('search', None)
         if search_p:
             properties = DeviceSearch.properties
@@ -175,6 +177,11 @@ class DeviceView(View):
                 search.Search.rank(tags, search_p) +
                 search.Search.rank(devicehub_ids, search_p)
             )
+        if unassign:
+            subquery = LotDeviceDescendants.query.with_entities(
+                           LotDeviceDescendants.device_id
+            )
+            query = query.filter(Device.id.notin_(subquery))
         return query.filter(*args['filter']).order_by(*args['sort'])
 
 
diff --git a/tests/test_device.py b/tests/test_device.py
index c428229e..9dcfd53f 100644
--- a/tests/test_device.py
+++ b/tests/test_device.py
@@ -500,6 +500,46 @@ def test_get_devices_permissions(app: Devicehub, user: UserClient, user2: UserCl
     assert len(devices['items']) == 1
     assert len(devices2['items']) == 0
 
+
+@pytest.mark.mvp
+def test_get_devices_unassigned(app: Devicehub, user: UserClient):
+    """Checks GETting multiple devices."""
+
+    user.post(file('asus-eee-1000h.snapshot.11'), res=m.Snapshot)
+    url = '/devices/?filter={"type":["Computer"]}&unassign=0'
+
+    devices, res = user.get(url, None)
+    assert res.status_code == 200
+    assert len(devices['items']) == 1
+
+    url = '/devices/?filter={"type":["Computer"]}&unassign=1'
+
+    devices, res = user.get(url, None)
+    assert res.status_code == 200
+    assert len(devices['items']) == 1
+
+    from ereuse_devicehub.resources.lot.models import Lot
+    device_id = devices['items'][0]['id']
+    my_lot, _ = user.post(({'name': 'My_lot'}), res=Lot)
+    lot, _ = user.post({},
+                       res=Lot,
+                       item='{}/devices'.format(my_lot['id']),
+                       query=[('id', device_id)])
+    assert lot['devices'][0]['id'] == device_id, 'Lot contains device'
+
+    url = '/devices/?filter={"type":["Computer"]}&unassign=0'
+
+    devices, res = user.get(url, None)
+    assert res.status_code == 200
+    assert len(devices['items']) == 1
+
+    url = '/devices/?filter={"type":["Computer"]}&unassign=1'
+
+    devices, res = user.get(url, None)
+    assert res.status_code == 200
+    assert len(devices['items']) == 0
+
+
 @pytest.mark.mvp
 @pytest.mark.usefixtures(conftest.auth_app_context.__name__)
 def test_computer_monitor():