diff --git a/switchbot/__init__.py b/switchbot/__init__.py
index bc87409e..147aadf4 100644
--- a/switchbot/__init__.py
+++ b/switchbot/__init__.py
@@ -50,6 +50,7 @@
 from .devices.evaporative_humidifier import SwitchbotEvaporativeHumidifier
 from .devices.fan import SwitchbotFan, SwitchbotStandingFan
 from .devices.humidifier import SwitchbotHumidifier
+from .devices.keypad import SwitchbotKeypad
 from .devices.keypad_vision import SwitchbotKeypadVision
 from .devices.light_strip import (
     SwitchbotCandleWarmerLamp,
@@ -112,6 +113,7 @@
     "SwitchbotFan",
     "SwitchbotGarageDoorOpener",
     "SwitchbotHumidifier",
+    "SwitchbotKeypad",
     "SwitchbotKeypadVision",
     "SwitchbotLightStrip",
     "SwitchbotLock",
diff --git a/switchbot/devices/keypad.py b/switchbot/devices/keypad.py
index 9d48db4f..fdb52cbb 100644
--- a/switchbot/devices/keypad.py
+++ b/switchbot/devices/keypad.py
@@ -1 +1,19 @@
+"""Keypad device handling."""
+
 from __future__ import annotations
+
+from .device import SwitchbotDevice
+
+
+class SwitchbotKeypad(SwitchbotDevice):
+    """
+    Representation of a Switchbot Keypad (WoKeypad) device.
+
+    Passive BLE-only — no commands. Battery and attempt_state come from
+    advertisement parsing in adv_parsers/keypad.py.
+    """
+
+    @property
+    def attempt_state(self) -> int | None:
+        """Return the last attempt state from advertisement data."""
+        return self._get_adv_value("attempt_state")
diff --git a/tests/__init__.py b/tests/__init__.py
index b2883c54..054bff3f 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -13,6 +13,19 @@ class AdvTestCase:
     modelName: SwitchbotModel
 
 
+KEYPAD_INFO = AdvTestCase(
+    b"\xeb\x13\x02\xe6#\x0f\x8fd\x00\x00\x00\x00",
+    b"y\x00d",
+    {
+        "battery": 100,
+        "attempt_state": 143,
+    },
+    "y",
+    "Keypad",
+    SwitchbotModel.KEYPAD,
+)
+
+
 STRIP_LIGHT_3_INFO = AdvTestCase(
     b'\xc0N0\xe0U\x9a\x85\x9e"\xd0\x00\x00\x00\x00\x00\x00\x12\x91\x00',
     b"\x00\x00\x00\x00\x10\xd0\xb1",
diff --git a/tests/test_keypad.py b/tests/test_keypad.py
new file mode 100644
index 00000000..edefe3c5
--- /dev/null
+++ b/tests/test_keypad.py
@@ -0,0 +1,59 @@
+"""Test keypad device advertisement parsing."""
+
+from switchbot import SwitchbotKeypad, SwitchbotModel
+from switchbot.adv_parser import parse_advertisement_data
+
+from . import KEYPAD_INFO
+from .test_adv_parser import generate_advertisement_data, generate_ble_device
+
+
+def test_keypad_advertisement_battery() -> None:
+    """Test that battery is parsed from keypad advertisement data."""
+    ble_device = generate_ble_device("aa:bb:cc:dd:ee:ff", "any")
+    adv_data = generate_advertisement_data(
+        manufacturer_data={2409: KEYPAD_INFO.manufacturer_data},
+        service_data={"0000fd3d-0000-1000-8000-00805f9b34fb": KEYPAD_INFO.service_data},
+        rssi=-80,
+    )
+    advertisement = parse_advertisement_data(
+        ble_device, adv_data, SwitchbotModel.KEYPAD
+    )
+    device = SwitchbotKeypad(ble_device)
+    device.update_from_advertisement(advertisement)
+
+    assert device.get_battery_percent() == 100
+
+
+def test_keypad_advertisement_attempt_state() -> None:
+    """Test that attempt_state is parsed from keypad advertisement data."""
+    ble_device = generate_ble_device("aa:bb:cc:dd:ee:ff", "any")
+    adv_data = generate_advertisement_data(
+        manufacturer_data={2409: KEYPAD_INFO.manufacturer_data},
+        service_data={"0000fd3d-0000-1000-8000-00805f9b34fb": KEYPAD_INFO.service_data},
+        rssi=-80,
+    )
+    advertisement = parse_advertisement_data(
+        ble_device, adv_data, SwitchbotModel.KEYPAD
+    )
+    device = SwitchbotKeypad(ble_device)
+    device.update_from_advertisement(advertisement)
+
+    assert device.attempt_state == 143
+
+
+def test_keypad_advertisement_battery_none_when_no_data() -> None:
+    """Test that battery is None when advertisement data is missing."""
+    ble_device = generate_ble_device("aa:bb:cc:dd:ee:ff", "any")
+    adv_data = generate_advertisement_data(
+        manufacturer_data={},
+        service_data={"0000fd3d-0000-1000-8000-00805f9b34fb": KEYPAD_INFO.service_data},
+        rssi=-80,
+    )
+    advertisement = parse_advertisement_data(
+        ble_device, adv_data, SwitchbotModel.KEYPAD
+    )
+    device = SwitchbotKeypad(ble_device)
+    device.update_from_advertisement(advertisement)
+
+    assert device.get_battery_percent() is None
+    assert device.attempt_state is None