diff --git a/src/backend/apps/project/admin.py b/src/backend/apps/project/admin.py
index 0cd6539..3e21395 100644
--- a/src/backend/apps/project/admin.py
+++ b/src/backend/apps/project/admin.py
@@ -42,18 +42,13 @@ class ProjectAdmin(admin.ModelAdmin):
         "creator",
         "started",
         "ended",
-        "duration",
+        "contacts",
         "level",
         "busyness",
         "recruitment_status",
         "status",
+        "direction",
     )
     list_filter = ("level", "busyness", "status")
     search_fields = ("name", "description", "purpose", "creator__username")
-    readonly_fields = ("duration",)
     list_per_page = LIST_PER_PAGE
-
-    def duration(self, instance):
-        return instance.duration
-
-    duration.short_description = "Продолжительность в днях"
diff --git a/src/backend/apps/project/constants.py b/src/backend/apps/project/constants.py
index e10495d..77309e2 100644
--- a/src/backend/apps/project/constants.py
+++ b/src/backend/apps/project/constants.py
@@ -1,3 +1,15 @@
+BUSYNESS_CHOICES = [
+    (1, "10"),
+    (2, "20"),
+    (3, "30"),
+    (4, "40"),
+]
+CONTACTS_LENGTH = 256
+DIRECTION_CHOICES = [
+    (1, "Десктоп"),
+    (2, "Веб"),
+    (3, "Мобильная"),
+]
 DESCRIPTION_LENGTH = 3000
 LIST_PER_PAGE = 10
 NAME_LENGTH = 100
diff --git a/src/backend/apps/project/migrations/0005_alter_specialization_options_and_more.py b/src/backend/apps/project/migrations/0005_alter_specialization_options_and_more.py
new file mode 100644
index 0000000..06711df
--- /dev/null
+++ b/src/backend/apps/project/migrations/0005_alter_specialization_options_and_more.py
@@ -0,0 +1,60 @@
+# Generated by Django 5.0.1 on 2024-02-12 13:23
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("project", "0004_alter_project_busyness"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="specialization",
+            options={
+                "verbose_name": "Специализация",
+                "verbose_name_plural": "Специализации",
+            },
+        ),
+        migrations.RemoveField(
+            model_name="specialization",
+            name="quantity",
+        ),
+        migrations.AddField(
+            model_name="project",
+            name="contacts",
+            field=models.TextField(
+                default="", max_length=256, verbose_name="Контакты для связи"
+            ),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name="project",
+            name="direction",
+            field=models.IntegerField(
+                choices=[(1, "Десктоп"), (2, "Веб"), (3, "Мобильная")],
+                default=1,
+                verbose_name="Направление разработки",
+            ),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name="project",
+            name="participants",
+            field=models.ManyToManyField(
+                related_name="project_participants",
+                to=settings.AUTH_USER_MODEL,
+                verbose_name="Команда проекта",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="project",
+            name="busyness",
+            field=models.IntegerField(
+                choices=[(1, "10"), (2, "20"), (3, "30"), (4, "40")],
+                verbose_name="Занятость в часах в неделю",
+            ),
+        ),
+    ]
diff --git a/src/backend/apps/project/models.py b/src/backend/apps/project/models.py
index 9f3eb0b..6f21b7c 100644
--- a/src/backend/apps/project/models.py
+++ b/src/backend/apps/project/models.py
@@ -3,7 +3,14 @@
 
 from apps.general.models import CreatedModifiedFields
 
-from .constants import DESCRIPTION_LENGTH, NAME_LENGTH, STATUS_CHOICES
+from .constants import (
+    BUSYNESS_CHOICES,
+    CONTACTS_LENGTH,
+    DESCRIPTION_LENGTH,
+    DIRECTION_CHOICES,
+    NAME_LENGTH,
+    STATUS_CHOICES,
+)
 
 User = get_user_model()
 
@@ -14,11 +21,10 @@ class Specialization(models.Model):
     """
 
     name = models.CharField("Название", max_length=NAME_LENGTH)
-    quantity = models.PositiveSmallIntegerField()
 
     class Meta:
-        verbose_name = "Специальность"
-        verbose_name_plural = "Специальности"
+        verbose_name = "Специализация"
+        verbose_name_plural = "Специализации"
 
     def __str__(self) -> str:
         return self.name
@@ -124,6 +130,7 @@ class Project(CreatedModifiedFields):
         verbose_name="Навыки",
     )
     busyness = models.IntegerField(
+        choices=BUSYNESS_CHOICES,
         verbose_name="Занятость в часах в неделю",
     )
     recruitment_status = models.IntegerField(
@@ -136,18 +143,20 @@ class Project(CreatedModifiedFields):
         on_delete=models.CASCADE,
         verbose_name="Статус проекта",
     )
-
-    @property
-    def duration(self):
-        """
-        Вычисляет и возвращает продолжительность проекта в днях.
-        """
-        if self.ended is not None and self.started is not None:
-            duration = self.ended - self.started
-            return duration.days
-        return None
-
-    duration.fget.short_description = "Продолжительность"
+    contacts = models.TextField(
+        "Контакты для связи", max_length=CONTACTS_LENGTH
+    )
+    direction = models.IntegerField(
+        choices=DIRECTION_CHOICES,
+        verbose_name="Направление разработки",
+        # default=1,
+    )
+    participants = models.ManyToManyField(
+        User,
+        # through="Participant",
+        related_name="project_participants",
+        verbose_name="Команда проекта",
+    )
 
     class Meta:
         verbose_name = "Проект"