diff --git a/homeassistant/components/w800rf32/binary_sensor.py b/homeassistant/components/w800rf32/binary_sensor.py
index 11e4d1193c3..c8cc166ec01 100644
--- a/homeassistant/components/w800rf32/binary_sensor.py
+++ b/homeassistant/components/w800rf32/binary_sensor.py
@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from datetime import timedelta
 import logging
 
 import voluptuous as vol
@@ -31,7 +32,7 @@ PLATFORM_SCHEMA = BINARY_SENSOR_PLATFORM_SCHEMA.extend(
         vol.Required(CONF_DEVICES): {
             cv.string: vol.Schema(
                 {
-                    vol.Optional(CONF_NAME): cv.string,
+                    vol.Required(CONF_NAME): cv.string,
                     vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
                     vol.Optional(CONF_OFF_DELAY): vol.All(
                         cv.time_period, cv.positive_timedelta
@@ -54,7 +55,8 @@ async def async_setup_platform(
     binary_sensors = []
     # device_id --> "c1 or a3" X10 device. entity (type dictionary)
     # --> name, device_class etc
-    for device_id, entity in config[CONF_DEVICES].items():
+    devices_config: dict[str, ConfigType] = config[CONF_DEVICES]
+    for device_id, entity in devices_config.items():
         _LOGGER.debug(
             "Add %s w800rf32.binary_sensor (class %s)",
             entity[CONF_NAME],
@@ -63,7 +65,7 @@ async def async_setup_platform(
 
         device = W800rf32BinarySensor(
             device_id,
-            entity.get(CONF_NAME),
+            entity[CONF_NAME],
             entity.get(CONF_DEVICE_CLASS),
             entity.get(CONF_OFF_DELAY),
         )
@@ -78,13 +80,21 @@ class W800rf32BinarySensor(BinarySensorEntity):
 
     _attr_should_poll = False
 
-    def __init__(self, device_id, name, device_class=None, off_delay=None):
+    def __init__(
+        self,
+        device_id: str,
+        name: str,
+        device_class: BinarySensorDeviceClass | None,
+        off_delay: timedelta | None,
+    ) -> None:
         """Initialize the w800rf32 sensor."""
         self._signal = W800RF32_DEVICE.format(device_id)
-        self._name = name
-        self._device_class = device_class
+
+        self._attr_name = name
+        self._attr_device_class = device_class
+        self._attr_is_on = False
+
         self._off_delay = off_delay
-        self._state = False
         self._delay_listener = None
 
     @callback
@@ -93,21 +103,6 @@ class W800rf32BinarySensor(BinarySensorEntity):
         self._delay_listener = None
         self.update_state(False)
 
-    @property
-    def name(self):
-        """Return the device name."""
-        return self._name
-
-    @property
-    def device_class(self) -> BinarySensorDeviceClass | None:
-        """Return the sensor class."""
-        return self._device_class
-
-    @property
-    def is_on(self):
-        """Return true if the sensor state is True."""
-        return self._state
-
     @callback
     def binary_sensor_update(self, event):
         """Call for control updates from the w800rf32 gateway."""
@@ -132,9 +127,9 @@ class W800rf32BinarySensor(BinarySensorEntity):
                 self.hass, self._off_delay, self._off_delay_listener
             )
 
-    def update_state(self, state):
+    def update_state(self, state: bool) -> None:
         """Update the state of the device."""
-        self._state = state
+        self._attr_is_on = state
         self.async_write_ha_state()
 
     async def async_added_to_hass(self) -> None: