diff --git a/homeassistant/components/tuya/binary_sensor.py b/homeassistant/components/tuya/binary_sensor.py
index 1e13f101110..486dd6e1387 100644
--- a/homeassistant/components/tuya/binary_sensor.py
+++ b/homeassistant/components/tuya/binary_sensor.py
@@ -291,6 +291,9 @@ BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
     # Temperature and Humidity Sensor
     # https://developer.tuya.com/en/docs/iot/categorywsdcg?id=Kaiuz3hinij34
     "wsdcg": (TAMPER_BINARY_SENSOR,),
+    # Temperature and Humidity Sensor with External Probe
+    # New undocumented category qxj, see https://github.com/home-assistant/core/issues/136472
+    "qxj": (TAMPER_BINARY_SENSOR,),
     # Pressure Sensor
     # https://developer.tuya.com/en/docs/iot/categoryylcg?id=Kaiuz3kc2e4gm
     "ylcg": (
diff --git a/homeassistant/components/tuya/const.py b/homeassistant/components/tuya/const.py
index 08bdef474ef..a40260ed787 100644
--- a/homeassistant/components/tuya/const.py
+++ b/homeassistant/components/tuya/const.py
@@ -333,6 +333,12 @@ class DPCode(StrEnum):
     TEMP_CONTROLLER = "temp_controller"
     TEMP_CURRENT = "temp_current"  # Current temperature in °C
     TEMP_CURRENT_F = "temp_current_f"  # Current temperature in °F
+    TEMP_CURRENT_EXTERNAL = (
+        "temp_current_external"  # Current external temperature in Celsius
+    )
+    TEMP_CURRENT_EXTERNAL_F = (
+        "temp_current_external_f"  # Current external temperature in Fahrenheit
+    )
     TEMP_INDOOR = "temp_indoor"  # Indoor temperature in °C
     TEMP_SET = "temp_set"  # Set the temperature in °C
     TEMP_SET_F = "temp_set_f"  # Set the temperature in °F
diff --git a/homeassistant/components/tuya/sensor.py b/homeassistant/components/tuya/sensor.py
index 073202bed94..b1150be306a 100644
--- a/homeassistant/components/tuya/sensor.py
+++ b/homeassistant/components/tuya/sensor.py
@@ -715,6 +715,47 @@ SENSORS: dict[str, tuple[TuyaSensorEntityDescription, ...]] = {
         ),
         *BATTERY_SENSORS,
     ),
+    # Temperature and Humidity Sensor with External Probe
+    # New undocumented category qxj, see https://github.com/home-assistant/core/issues/136472
+    "qxj": (
+        TuyaSensorEntityDescription(
+            key=DPCode.VA_TEMPERATURE,
+            translation_key="temperature",
+            device_class=SensorDeviceClass.TEMPERATURE,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        TuyaSensorEntityDescription(
+            key=DPCode.TEMP_CURRENT,
+            translation_key="temperature",
+            device_class=SensorDeviceClass.TEMPERATURE,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        TuyaSensorEntityDescription(
+            key=DPCode.TEMP_CURRENT_EXTERNAL,
+            translation_key="temperature_external",
+            device_class=SensorDeviceClass.TEMPERATURE,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        TuyaSensorEntityDescription(
+            key=DPCode.VA_HUMIDITY,
+            translation_key="humidity",
+            device_class=SensorDeviceClass.HUMIDITY,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        TuyaSensorEntityDescription(
+            key=DPCode.HUMIDITY_VALUE,
+            translation_key="humidity",
+            device_class=SensorDeviceClass.HUMIDITY,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        TuyaSensorEntityDescription(
+            key=DPCode.BRIGHT_VALUE,
+            translation_key="illuminance",
+            device_class=SensorDeviceClass.ILLUMINANCE,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        *BATTERY_SENSORS,
+    ),
     # Pressure Sensor
     # https://developer.tuya.com/en/docs/iot/categoryylcg?id=Kaiuz3kc2e4gm
     "ylcg": (
diff --git a/homeassistant/components/tuya/strings.json b/homeassistant/components/tuya/strings.json
index 8ec61cc8aa5..83847d32fb5 100644
--- a/homeassistant/components/tuya/strings.json
+++ b/homeassistant/components/tuya/strings.json
@@ -469,6 +469,9 @@
       "temperature": {
         "name": "[%key:component::sensor::entity_component::temperature::name%]"
       },
+      "temperature_external": {
+        "name": "Probe temperature"
+      },
       "humidity": {
         "name": "[%key:component::sensor::entity_component::humidity::name%]"
       },
diff --git a/homeassistant/components/tuya/switch.py b/homeassistant/components/tuya/switch.py
index 76d8b481a90..4000e8d9b24 100644
--- a/homeassistant/components/tuya/switch.py
+++ b/homeassistant/components/tuya/switch.py
@@ -612,6 +612,15 @@ SWITCHES: dict[str, tuple[SwitchEntityDescription, ...]] = {
             device_class=SwitchDeviceClass.OUTLET,
         ),
     ),
+    # SIREN: Siren (switch) with Temperature and Humidity Sensor with External Probe
+    # New undocumented category qxj, see https://github.com/home-assistant/core/issues/136472
+    "qxj": (
+        SwitchEntityDescription(
+            key=DPCode.SWITCH,
+            translation_key="switch",
+            device_class=SwitchDeviceClass.OUTLET,
+        ),
+    ),
     # Ceiling Light
     # https://developer.tuya.com/en/docs/iot/ceiling-light?id=Kaiuz03xxfc4r
     "xdd": (