diff --git a/src/main/java/device/Hue.java b/src/main/java/device/Hue.java
index 1ee4c98..7257150 100644
--- a/src/main/java/device/Hue.java
+++ b/src/main/java/device/Hue.java
@@ -37,6 +37,9 @@ public class Hue {
         }
     }
 
+    public int getCurrentLuminiscence() {
+        return 0;
+    }
     public void turnOff() {
         for (String light : allLights.keySet()) {
             String callURL = lightsURL + light + "/state";
diff --git a/src/main/java/device/Sensor.java b/src/main/java/device/Sensor.java
index ece2924..0aa2c8b 100644
--- a/src/main/java/device/Sensor.java
+++ b/src/main/java/device/Sensor.java
@@ -12,31 +12,62 @@ public class Sensor {
     Logger logger = LoggerFactory.getLogger(Sensor.class);
 
     // sample RaZberry IP address
-    String ipAddress = "http://172.30.1.137:8083";
+    public String ipAddress = "172.30.1.137";
 
     // sample username and password
-    String username = "admin";
-    String password = "raz4reti2";
+    public String username = "admin";
+    public String password = "raz4reti2";
 
-    IZWayApi zwayApi;
+    public IZWayApi zwayApi;
+    private DeviceList allZWaveDevices;
+    private DeviceList devices;
+    private Integer nodeId;
 
     public Sensor() {
-        // create an instance of the Z-Way library; all the params are mandatory (we are not going to use the remote service/id)
-        zwayApi = new ZWayApiHttp(ipAddress, 8083, "http", username, password, 0, false, new ZWaySimpleCallback());
+        this(null);
     }
 
-    // get all the Z-Wave devices
-    DeviceList allDevices = zwayApi.getDevices();
+    public Sensor (Integer nodeId) {
+        this.nodeId = nodeId;
 
-    public boolean IsLowLuminescence(int Luminescence) {
-        for (Device dev : allDevices.getAllDevices()) {
-            if (dev.getDeviceType().equalsIgnoreCase("SensorMultilevel"))
-                if (dev.getProbeType().equalsIgnoreCase("luminescence"))
+        // create an instance of the Z-Way library; all the params are mandatory (we are not going to use the remote service/id)
+        zwayApi = new ZWayApiHttp(ipAddress, 8083, "http", username, password, 0, false, new ZWaySimpleCallback());
+
+        // get all the Z-Wave devices
+        allZWaveDevices = zwayApi.getDevices();
+
+        if(nodeId != null)
+            useNode(nodeId);
+        else
+            devices = allZWaveDevices;
+    }
+
+    public void useNode(int nodeId) {
+        devices = new DeviceList();
+        for (Device devi : allZWaveDevices.getAllDevices())
+            if(devi.getNodeId() == nodeId)
+                devices.addDevice(devi);
+    }
+
+    public int luminiscenceLevel() {
+        for (Device device : devices.getAllDevices())
+        if (device.getMetrics().getProbeTitle().equalsIgnoreCase("luminiscence"))
+            return Integer.parseInt(device.getMetrics().getLevel());
+        return -99;
+    }
+
+    synchronized public void update(int timeout) throws InterruptedException {
+        //setInitialValues();
+        for (Device device : devices.getAllDevices())
+            device.update();
+        wait(timeout);
+    }
+    /*public boolean IsLowLuminescence(int Luminescence) {
+                if (dev.getProbeType().equalsIgnoreCase("Luminescence"))
                     if (Integer.parseInt(dev.getMetrics().getLevel()) < Luminescence)
                         return true;
                     else
                         return false;
-        }
-        return false;
-    }
+                    return false;
+    }*/
 }
diff --git a/src/test/java/TestLights.java b/src/test/java/TestLights.java
index 3878584..1b8fcf3 100644
--- a/src/test/java/TestLights.java
+++ b/src/test/java/TestLights.java
@@ -26,16 +26,17 @@ public class TestLights {
         lights.turnOn();
         for(int i=256; i>=0; i--) {
             lights.setBrightness(i);
-            this.wait(50);
+            this.wait(25);
         }
 
         for(int i=0; i<256; i++) {
             lights.setBrightness(i);
-            this.wait(50);
+            this.wait(25);
         }
 
+        lights.setBrightness(150);
         lights.colorLoop();
-        this.wait(10000);   // 10 sec
+        this.wait(20000);   // 10 sec
         lights.turnOff();
     }
 
diff --git a/src/test/java/TestSensor.java b/src/test/java/TestSensor.java
index 16fd220..720564c 100644
--- a/src/test/java/TestSensor.java
+++ b/src/test/java/TestSensor.java
@@ -2,22 +2,43 @@ import device.Hue;
 import device.Sensor;
 import org.junit.Test;
 
-import static org.junit.Assert.assertTrue;
+import java.util.HashSet;
+import java.util.Set;
 
-public class TestSensor {
-    Sensor sensor = new Sensor();
-    Hue hue = new Hue();
+ public class TestSensor {
+    Sensor sensor = new Sensor(2);
+     Hue lights;
 
     @Test
-    public void firstTestSensor() {
-        assertTrue(sensor.IsLowLuminescence(50));
+     synchronized public void firstTestSensor() throws InterruptedException {
+        sensor.update(2);
+        System.out.println(sensor.luminiscenceLevel());
     }
 
     @Test
-    public void secondTestSensor() {
-        if(sensor.IsLowLuminescence(50)) {
-            hue.turnOn();
-            hue.setBrightness(200);
+    synchronized public void secondTestSensor() throws InterruptedException {
+        int i=0;
+        lights = new Hue();
+        Set<String> toRemove = new HashSet<>();
+
+        for(String str: lights.getNameLights())
+            if(!str.equals("4"))
+                toRemove.add(str);
+        lights.removeLights(toRemove);
+        lights.turnOn();
+
+        while(i<999999) {
+            if (sensor.luminiscenceLevel() < 200) {
+                lights.getCurrentLuminiscence();
+                lights.setBrightness(200);
+            }
+
+            if (sensor.luminiscenceLevel() > 600) {
+                lights.setBrightness(0);
+            }
+            System.out.println(i+"-"+sensor.luminiscenceLevel());
+            sensor.update(100);
+            i++;
         }
     }
 }