diff --git a/homeassistant/components/manual/alarm_control_panel.py b/homeassistant/components/manual/alarm_control_panel.py
index cfa81a816c3..9a5d84f5997 100644
--- a/homeassistant/components/manual/alarm_control_panel.py
+++ b/homeassistant/components/manual/alarm_control_panel.py
@@ -5,6 +5,7 @@ import copy
 import datetime
 import logging
 import re
+from typing import Any
 
 import voluptuous as vol
 
@@ -185,6 +186,16 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
     A trigger_time of zero disables the alarm_trigger service.
     """
 
+    _attr_should_poll = False
+    _attr_supported_features = (
+        AlarmControlPanelEntityFeature.ARM_HOME
+        | AlarmControlPanelEntityFeature.ARM_AWAY
+        | AlarmControlPanelEntityFeature.ARM_NIGHT
+        | AlarmControlPanelEntityFeature.ARM_VACATION
+        | AlarmControlPanelEntityFeature.TRIGGER
+        | AlarmControlPanelEntityFeature.ARM_CUSTOM_BYPASS
+    )
+
     def __init__(
         self,
         hass,
@@ -198,13 +209,13 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
         """Init the manual alarm panel."""
         self._state = STATE_ALARM_DISARMED
         self._hass = hass
-        self._name = name
+        self._attr_name = name
         if code_template:
             self._code = code_template
             self._code.hass = hass
         else:
             self._code = code or None
-        self._code_arm_required = code_arm_required
+        self._attr_code_arm_required = code_arm_required
         self._disarm_after_trigger = disarm_after_trigger
         self._previous_state = self._state
         self._state_ts = None
@@ -222,17 +233,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
         }
 
     @property
-    def should_poll(self):
-        """Return the polling state."""
-        return False
-
-    @property
-    def name(self):
-        """Return the name of the device."""
-        return self._name
-
-    @property
-    def state(self):
+    def state(self) -> str:
         """Return the state of the device."""
         if self._state == STATE_ALARM_TRIGGERED:
             if self._within_pending_time(self._state):
@@ -253,18 +254,6 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
 
         return self._state
 
-    @property
-    def supported_features(self) -> int:
-        """Return the list of supported features."""
-        return (
-            AlarmControlPanelEntityFeature.ARM_HOME
-            | AlarmControlPanelEntityFeature.ARM_AWAY
-            | AlarmControlPanelEntityFeature.ARM_NIGHT
-            | AlarmControlPanelEntityFeature.ARM_VACATION
-            | AlarmControlPanelEntityFeature.TRIGGER
-            | AlarmControlPanelEntityFeature.ARM_CUSTOM_BYPASS
-        )
-
     @property
     def _active_state(self):
         """Get the current state."""
@@ -289,7 +278,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
         return self._state_ts + self._pending_time(state) > dt_util.utcnow()
 
     @property
-    def code_format(self):
+    def code_format(self) -> alarm.CodeFormat | None:
         """Return one or more digits/characters."""
         if self._code is None:
             return None
@@ -297,11 +286,6 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
             return alarm.CodeFormat.NUMBER
         return alarm.CodeFormat.TEXT
 
-    @property
-    def code_arm_required(self):
-        """Whether the code is required for arm actions."""
-        return self._code_arm_required
-
     def alarm_disarm(self, code: str | None = None) -> None:
         """Send disarm command."""
         if not self._validate_code(code, STATE_ALARM_DISARMED):
@@ -313,7 +297,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
 
     def alarm_arm_home(self, code: str | None = None) -> None:
         """Send arm home command."""
-        if self._code_arm_required and not self._validate_code(
+        if self.code_arm_required and not self._validate_code(
             code, STATE_ALARM_ARMED_HOME
         ):
             return
@@ -322,7 +306,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
 
     def alarm_arm_away(self, code: str | None = None) -> None:
         """Send arm away command."""
-        if self._code_arm_required and not self._validate_code(
+        if self.code_arm_required and not self._validate_code(
             code, STATE_ALARM_ARMED_AWAY
         ):
             return
@@ -331,7 +315,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
 
     def alarm_arm_night(self, code: str | None = None) -> None:
         """Send arm night command."""
-        if self._code_arm_required and not self._validate_code(
+        if self.code_arm_required and not self._validate_code(
             code, STATE_ALARM_ARMED_NIGHT
         ):
             return
@@ -340,7 +324,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
 
     def alarm_arm_vacation(self, code: str | None = None) -> None:
         """Send arm vacation command."""
-        if self._code_arm_required and not self._validate_code(
+        if self.code_arm_required and not self._validate_code(
             code, STATE_ALARM_ARMED_VACATION
         ):
             return
@@ -349,7 +333,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
 
     def alarm_arm_custom_bypass(self, code: str | None = None) -> None:
         """Send arm custom bypass command."""
-        if self._code_arm_required and not self._validate_code(
+        if self.code_arm_required and not self._validate_code(
             code, STATE_ALARM_ARMED_CUSTOM_BYPASS
         ):
             return
@@ -367,7 +351,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
             return
         self._update_state(STATE_ALARM_TRIGGERED)
 
-    def _update_state(self, state):
+    def _update_state(self, state: str) -> None:
         """Update the state."""
         if self._state == state:
             return
@@ -414,7 +398,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
         return check
 
     @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any]:
         """Return the state attributes."""
         if self.state in (STATE_ALARM_PENDING, STATE_ALARM_ARMING):
             return {