diff --git a/homeassistant/components/switch/__init__.py b/homeassistant/components/switch/__init__.py
index 424d4505d39..b6dd31b48c2 100644
--- a/homeassistant/components/switch/__init__.py
+++ b/homeassistant/components/switch/__init__.py
@@ -24,6 +24,7 @@ ENTITY_ID_FORMAT = DOMAIN + '.{}'
 
 ATTR_TODAY_MWH = "today_mwh"
 ATTR_CURRENT_POWER_MWH = "current_power_mwh"
+ATTR_SENSOR_STATE = "sensor_state"
 
 MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
 
@@ -38,6 +39,7 @@ DISCOVERY_PLATFORMS = {
 PROP_TO_ATTR = {
     'current_power_mwh': ATTR_CURRENT_POWER_MWH,
     'today_power_mw': ATTR_TODAY_MWH,
+    'sensor_state': ATTR_SENSOR_STATE
 }
 
 _LOGGER = logging.getLogger(__name__)
@@ -101,6 +103,16 @@ class SwitchDevice(ToggleEntity):
         """ Today total power usage in mw. """
         return None
 
+    @property
+    def is_standby(self):
+        """ Is the device in standby. """
+        return None
+
+    @property
+    def sensor_state(self):
+        """ Is the sensor on or off. """
+        return None
+
     @property
     def device_state_attributes(self):
         """ Returns device specific state attributes. """
diff --git a/homeassistant/components/switch/wemo.py b/homeassistant/components/switch/wemo.py
index 2d6e25b296b..98c6ed5aa01 100644
--- a/homeassistant/components/switch/wemo.py
+++ b/homeassistant/components/switch/wemo.py
@@ -7,8 +7,9 @@ Support for WeMo switches.
 import logging
 
 from homeassistant.components.switch import SwitchDevice
+from homeassistant.const import STATE_ON, STATE_OFF, STATE_STANDBY
 
-REQUIREMENTS = ['pywemo==0.2']
+REQUIREMENTS = ['pywemo==0.3']
 
 
 # pylint: disable=unused-argument
@@ -39,6 +40,7 @@ class WemoSwitch(SwitchDevice):
     def __init__(self, wemo):
         self.wemo = wemo
         self.insight_params = None
+        self.maker_params = None
 
     @property
     def unique_id(self):
@@ -50,6 +52,16 @@ class WemoSwitch(SwitchDevice):
         """ Returns the name of the switch if any. """
         return self.wemo.name
 
+    @property
+    def state(self):
+        """ Returns the state. """
+        is_on = self.is_on
+        if not is_on:
+            return STATE_OFF
+        elif self.is_standby:
+            return STATE_STANDBY
+        return STATE_ON
+
     @property
     def current_power_mwh(self):
         """ Current power usage in mwh. """
@@ -62,6 +74,40 @@ class WemoSwitch(SwitchDevice):
         if self.insight_params:
             return self.insight_params['todaymw']
 
+    @property
+    def is_standby(self):
+        """ Is the device on - or in standby. """
+        if self.insight_params:
+            standby_state = self.insight_params['state']
+            # Standby  is actually '8' but seems more defensive
+            # to check for the On and Off states
+            if standby_state == '1' or standby_state == '0':
+                return False
+            else:
+                return True
+
+    @property
+    def sensor_state(self):
+        """ Is the sensor on or off. """
+        if self.maker_params and self.has_sensor:
+            # Note a state of 1 matches the WeMo app 'not triggered'!
+            if self.maker_params['sensorstate']:
+                return STATE_OFF
+            else:
+                return STATE_ON
+
+    @property
+    def switch_mode(self):
+        """ Is the switch configured as toggle(0) or momentary (1). """
+        if self.maker_params:
+            return self.maker_params['switchmode']
+
+    @property
+    def has_sensor(self):
+        """ Is the sensor present? """
+        if self.maker_params:
+            return self.maker_params['hassensor']
+
     @property
     def is_on(self):
         """ True if switch is on. """
@@ -78,5 +124,8 @@ class WemoSwitch(SwitchDevice):
     def update(self):
         """ Update WeMo state. """
         self.wemo.get_state(True)
-        if self.wemo.model.startswith('Belkin Insight'):
+        if self.wemo.model_name == 'Insight':
             self.insight_params = self.wemo.insight_params
+            self.insight_params['standby_state'] = self.wemo.get_standby_state
+        elif self.wemo.model_name == 'Maker':
+            self.maker_params = self.wemo.maker_params
diff --git a/homeassistant/const.py b/homeassistant/const.py
index a3b9cc8d396..4ed110dcd93 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -46,6 +46,7 @@ STATE_CLOSED = 'closed'
 STATE_PLAYING = 'playing'
 STATE_PAUSED = 'paused'
 STATE_IDLE = 'idle'
+STATE_STANDBY = 'standby'
 
 # #### STATE AND EVENT ATTRIBUTES ####
 # Contains current time for a TIME_CHANGED event
diff --git a/requirements_all.txt b/requirements_all.txt
index 9798a95f030..ce74a8475cd 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -89,7 +89,7 @@ pynetgear==0.3
 netdisco==0.3
 
 # Wemo (switch.wemo)
-pywemo==0.2
+pywemo==0.3
 
 # Wink (*.wink)
 https://github.com/balloob/python-wink/archive/c2b700e8ca866159566ecf5e644d9c297f69f257.zip