diff --git a/keyosk/database/domain.py b/keyosk/database/domain.py
index 0b5166b..92fcab4 100644
--- a/keyosk/database/domain.py
+++ b/keyosk/database/domain.py
@@ -50,8 +50,28 @@ class Domain(KeyoskBaseModel):
     enable_client_set_auth = peewee.BooleanField(null=False)
     enable_server_set_auth = peewee.BooleanField(null=False)
     enable_refresh = peewee.BooleanField(null=False)
-    lifespan_access = peewee.IntegerField(null=False)
-    lifespan_refresh = peewee.IntegerField(null=False)
+    _lifespan_access = peewee.IntegerField(null=False)
+    _lifespan_refresh = peewee.IntegerField(null=False)
+
+    @property
+    def lifespan_access(self) -> datetime.timedelta:
+        """Return the access lifespan as a timedelta"""
+        return datetime.timedelta(seconds=self._lifespan_access)
+
+    @lifespan_access.setter
+    def lifespan_access(self, value: datetime.timedelta):
+        """Set the access lifespan as an integer from a timedelta"""
+        self._lifespan_access = int(value.total_seconds())
+
+    @property
+    def lifespan_refresh(self) -> datetime.timedelta:
+        """Return the refresh lifespan as a timedelta"""
+        return datetime.timedelta(seconds=self._lifespan_refresh)
+
+    @lifespan_refresh.setter
+    def lifespan_refresh(self, value: datetime.timedelta):
+        """Set the refresh lifespan as an integer from a timedelta"""
+        self._lifespan_refresh = int(value.total_seconds())
 
     @staticmethod
     def dict_keys() -> List[str]:
@@ -65,8 +85,8 @@ class Domain(KeyoskBaseModel):
             "description",
             "contact",
             "enabled",
-            "enable_password",
-            "enable_autopassword",
+            "enable_client_set_auth",
+            "enable_server_set_auth",
             "enable_refresh",
             "lifespan_access",
             "lifespan_refresh",
@@ -78,6 +98,9 @@ class Domain(KeyoskBaseModel):
     def foreign_backref() -> List[str]:
         return ["access_lists", "permissions"]
 
+    def __str__(self) -> str:
+        return f"Domain '{self.name}' ({self.uuid})"
+
 
 class DomainAccessList(KeyoskBaseModel):
     """Access list name model definition
@@ -96,6 +119,9 @@ class DomainAccessList(KeyoskBaseModel):
     def dict_keys() -> List[str]:
         return ["name"]
 
+    def __str__(self) -> str:
+        return self.name
+
 
 class DomainPermission(KeyoskBaseModel):
     """Permission name model definition
@@ -116,3 +142,6 @@ class DomainPermission(KeyoskBaseModel):
     @staticmethod
     def dict_keys() -> List[str]:
         return ["name", "bitindex"]
+
+    def __str__(self) -> str:
+        return self.name
diff --git a/tests/test_database_domain.py b/tests/test_database_domain.py
new file mode 100644
index 0000000..864dc32
--- /dev/null
+++ b/tests/test_database_domain.py
@@ -0,0 +1,39 @@
+import peewee
+from fixtures import demo_database
+
+from keyosk import database
+
+
+def test_meta():
+
+    models = [database.Domain, database.DomainAccessList, database.DomainPermission]
+
+    for model in models:
+        for key in model.dict_keys():
+            assert hasattr(model, key)
+            attr = getattr(model, key)
+
+            if key in model.foreign_ref():
+                assert isinstance(attr, peewee.ForeignKeyField)
+            else:
+                assert not isinstance(attr, peewee.ForeignKeyField)
+
+            if key in model.foreign_backref():
+                assert isinstance(attr, peewee.BackrefAccessor)
+            else:
+                assert not isinstance(attr, peewee.BackrefAccessor)
+
+
+def test_formatting(demo_database):
+    for domain in database.Domain.select():
+        assert list(dict(domain).keys()) == database.Domain.dict_keys()
+        assert str(domain.uuid) in str(domain)
+        assert domain.name in str(domain)
+
+    for permission in database.DomainPermission.select():
+        assert list(dict(permission).keys()) == database.DomainPermission.dict_keys()
+        assert str(permission.uuid) not in str(permission)
+
+    for access_list in database.DomainAccessList.select():
+        assert list(dict(access_list).keys()) == database.DomainAccessList.dict_keys()
+        assert str(access_list.uuid) not in str(access_list)