diff --git a/libsrc/leddevice/LedDeviceFactory.cpp b/libsrc/leddevice/LedDeviceFactory.cpp
index 9e547920..a7f78319 100755
--- a/libsrc/leddevice/LedDeviceFactory.cpp
+++ b/libsrc/leddevice/LedDeviceFactory.cpp
@@ -192,8 +192,10 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
 	else if (type == "philipshue")
 	{
 		const std::string output = deviceConfig["output"].asString();
+		const std::string username = deviceConfig.get("username", "newdeveloper").asString();
 		const bool switchOffOnBlack = deviceConfig.get("switchOffOnBlack", true).asBool();
-		device = new LedDevicePhilipsHue(output, switchOffOnBlack);
+		const int transitiontime = deviceConfig.get("transitiontime", 1).asInt();
+		device = new LedDevicePhilipsHue(output, username, switchOffOnBlack, transitiontime);
 	}
 	else if (type == "test")
 	{
diff --git a/libsrc/leddevice/LedDevicePhilipsHue.cpp b/libsrc/leddevice/LedDevicePhilipsHue.cpp
index 35607871..c8cfa339 100755
--- a/libsrc/leddevice/LedDevicePhilipsHue.cpp
+++ b/libsrc/leddevice/LedDevicePhilipsHue.cpp
@@ -132,8 +132,10 @@ CiColor PhilipsHueLamp::rgbToCiColor(float red, float green, float blue) {
 	return xy;
 }
 
-LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output, bool switchOffOnBlack) :
-		host(output.c_str()), username("newdeveloper"), switchOffOnBlack(switchOffOnBlack) {
+LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output, const std::string& username, bool switchOffOnBlack,
+		int transitiontime) :
+		host(output.c_str()), username(username.c_str()), switchOffOnBlack(switchOffOnBlack), transitiontime(
+				transitiontime) {
 	http = new QHttp(host);
 	timer.setInterval(3000);
 	timer.setSingleShot(true);
@@ -166,11 +168,13 @@ int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
 		if (xy != lamp.color) {
 			// Switch on if the lamp has been previously switched off.
 			if (switchOffOnBlack && lamp.color == lamp.black) {
-
+				put(getStateRoute(lamp.id), QString("{\"on\": true}"));
 			}
 			// Send adjust color and brightness command in JSON format.
+			// We have to set the transition time each time.
 			put(getStateRoute(lamp.id),
-					QString("{\"xy\": [%1, %2], \"bri\": %3}").arg(xy.x).arg(xy.y).arg(qRound(xy.bri * 255.0f)));
+					QString("{\"xy\": [%1, %2], \"bri\": %3, \"transitiontime\": %4}").arg(xy.x).arg(xy.y).arg(
+							qRound(xy.bri * 255.0f)).arg(transitiontime));
 
 		}
 		// Switch lamp off if switchOffOnBlack is enabled and the lamp is currently on.
diff --git a/libsrc/leddevice/LedDevicePhilipsHue.h b/libsrc/leddevice/LedDevicePhilipsHue.h
index 085defb0..8a678505 100755
--- a/libsrc/leddevice/LedDevicePhilipsHue.h
+++ b/libsrc/leddevice/LedDevicePhilipsHue.h
@@ -125,9 +125,14 @@ public:
 	///
 	/// @param output the ip address of the bridge
 	///
-	/// @param switchOffOnBlack kill lights for black
+	/// @param username username of the hue bridge (default: newdeveloper)
 	///
-	LedDevicePhilipsHue(const std::string& output, bool switchOffOnBlack);
+	/// @param switchOffOnBlack kill lights for black (default: false)
+	///
+	/// @param transitiontime the time duration a light change takes in multiples of 100 ms (default: 400 ms).
+	///
+	LedDevicePhilipsHue(const std::string& output, const std::string& username = "newdeveloper", bool switchOffOnBlack =
+			false, int transitiontime = 1);
 
 	///
 	/// Destructor of this device
@@ -163,6 +168,9 @@ private:
 	QTimer timer;
 	///
 	bool switchOffOnBlack;
+	/// Transition time in multiples of 100 ms.
+	/// The default of the Hue lights will be 400 ms, but we want to have it snapier
+	int transitiontime;
 
 	///
 	/// Sends a HTTP GET request (blocking).