diff --git a/miio/airhumidifier.py b/miio/airhumidifier.py
index d296835f2..074b9e9b7 100644
--- a/miio/airhumidifier.py
+++ b/miio/airhumidifier.py
@@ -15,6 +15,7 @@ class OperationMode(enum.Enum):
     Silent = 'silent'
     Medium = 'medium'
     High = 'high'
+    Auto = 'auto'
 
 
 class LedBrightness(enum.Enum):
@@ -32,15 +33,9 @@ def __init__(self, data: Dict[str, Any]) -> None:
 
         {'power': 'off', 'mode': 'high', 'temp_dec': 294,
          'humidity': 33, 'buzzer': 'on', 'led_b': 0,
-         'child_lock': 'on', 'limit_hum': 40, 'trans_level': 85}
-
-        TODO: Features of the Air Humidifier Ca (zhimi.humidifier.ca1):
-          - Same properties: power, mode, temp_dec, humidity,
-            buzzer, led_b, child_lock, limit_hum
-          - Additional properties: speed, depth, dry, hw_version,
-            use_time, button_pressed
-          - Operation modes: auto, high, medium, silent
-          - Additional setters: set_dry on/off
+         'child_lock': 'on', 'limit_hum': 40, 'trans_level': 85,
+         'speed': None, 'depth': None, 'dry': None, 'use_time': 941100,
+         'hw_version': 0, 'button_pressed': 'led'}
         """
 
         self.data = data
@@ -99,6 +94,38 @@ def trans_level(self) -> int:
         """The meaning of the property is unknown."""
         return self.data["trans_level"]
 
+    @property
+    def speed(self) -> Optional[int]:
+        """Current fan speed."""
+        return self.data["speed"]
+
+    @property
+    def depth(self) -> Optional[int]:
+        """Current depth."""
+        return self.data["depth"]
+
+    @property
+    def dry(self) -> Optional[bool]:
+        """Return True if dry mode is on if available."""
+        if self.data["dry"] is not None:
+            return self.data["dry"] == "on"
+        return None
+
+    @property
+    def use_time(self) -> Optional[int]:
+        """How long the device has been active in seconds."""
+        return self.data["use_time"]
+
+    @property
+    def hardware_version(self) -> Optional[str]:
+        """The hardware version."""
+        return self.data["hw_version"]
+
+    @property
+    def button_pressed(self) -> Optional[str]:
+        """Button pressed."""
+        return self.data["button_pressed"]
+
     def __str__(self) -> str:
         s = "<AirHumidiferStatus power=%s, " \
             "mode=%s, " \
@@ -108,7 +135,13 @@ def __str__(self) -> str:
             "buzzer=%s, " \
             "child_lock=%s, " \
             "target_humidity=%s%%, " \
-            "trans_level=%s>" % \
+            "trans_level=%s, " \
+            "speed=%s, " \
+            "depth=%s, " \
+            "dry=%s, " \
+            "use_time=%s, " \
+            "hardware_version=%s, " \
+            "button_pressed=%s>" % \
             (self.power,
              self.mode,
              self.temperature,
@@ -117,7 +150,13 @@ def __str__(self) -> str:
              self.buzzer,
              self.child_lock,
              self.target_humidity,
-             self.trans_level)
+             self.trans_level,
+             self.speed,
+             self.depth,
+             self.dry,
+             self.use_time,
+             self.hardware_version,
+             self.button_pressed)
         return s
 
 
@@ -128,7 +167,9 @@ def status(self) -> AirHumidifierStatus:
         """Retrieve properties."""
 
         properties = ['power', 'mode', 'temp_dec', 'humidity', 'buzzer',
-                      'led_b', 'child_lock', 'limit_hum', 'trans_level', ]
+                      'led_b', 'child_lock', 'limit_hum', 'trans_level',
+                      'speed', 'depth', 'dry', 'use_time', 'button_pressed',
+                      'hw_version', ]
 
         values = self.send(
             "get_prop",
@@ -183,3 +224,10 @@ def set_target_humidity(self, humidity: int):
                 "Invalid target humidity: %s" % humidity)
 
         return self.send("set_limit_hum", [humidity])
+
+    def set_dry(self, dry: bool):
+        """Set dry mode on/off."""
+        if dry:
+            return self.send("set_dry", ["on"])
+        else:
+            return self.send("set_dry", ["off"])
diff --git a/miio/tests/test_airhumidifier.py b/miio/tests/test_airhumidifier.py
index 3b5a12fad..1e9322056 100644
--- a/miio/tests/test_airhumidifier.py
+++ b/miio/tests/test_airhumidifier.py
@@ -17,6 +17,13 @@ def __init__(self, *args, **kwargs):
             'child_lock': 'on',
             'limit_hum': 40,
             'trans_level': 85,
+            'use_time': 941100,
+            'button_pressed': 'led',
+            'hw_version': 0,
+            # Additional attributes of the zhimi.humidifier.ca1
+            'speed': 100,
+            'depth': 1,
+            'dry': 'off',
         }
         self.return_values = {
             'get_prop': self._get_state,
@@ -26,6 +33,7 @@ def __init__(self, *args, **kwargs):
             'set_buzzer': lambda x: self._set_state("buzzer", x),
             'set_child_lock': lambda x: self._set_state("child_lock", x),
             'set_limit_hum': lambda x: self._set_state("limit_hum", x),
+            'set_dry': lambda x: self._set_state("dry", x),
         }
         super().__init__(args, kwargs)
 
@@ -72,6 +80,12 @@ def test_status(self):
         assert self.state().child_lock == (self.device.start_state["child_lock"] == 'on')
         assert self.state().target_humidity == self.device.start_state["limit_hum"]
         assert self.state().trans_level == self.device.start_state["trans_level"]
+        assert self.state().speed == self.device.start_state["speed"]
+        assert self.state().depth == self.device.start_state["depth"]
+        assert self.state().dry == (self.device.start_state["dry"] == 'on')
+        assert self.state().use_time == self.device.start_state["use_time"]
+        assert self.state().hardware_version == self.device.start_state["hw_version"]
+        assert self.state().button_pressed == self.device.start_state["button_pressed"]
 
     def test_set_mode(self):
         def mode():
@@ -153,3 +167,19 @@ def child_lock():
 
         self.device.set_child_lock(False)
         assert child_lock() is False
+
+    def test_set_dry(self):
+        def dry():
+            return self.device.status().dry
+
+        self.device.set_dry(True)
+        assert dry() is True
+
+        self.device.set_dry(False)
+        assert dry() is False
+
+    def test_status_without_dry(self):
+        self.device._reset_state()
+        self.device.state["dry"] = None
+
+        assert self.state().dry is None