diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Dimmable.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Dimmable.java
index a3ae206..ab49dd0 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Dimmable.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Dimmable.java
@@ -9,7 +9,7 @@ import javax.validation.constraints.NotNull;
 
 @Entity
 @Inheritance(strategy = InheritanceType.SINGLE_TABLE)
-public class Dimmable extends Switchable {
+public class Dimmable extends Switchable implements RangeTriggerable {
 
     public static final Connector<KnobDimmer, Dimmable> KNOB_DIMMER_DIMMABLE_CONNECTOR =
             Connector.basic(KnobDimmer::getOutputs, Dimmable::getDimmers);
@@ -85,4 +85,9 @@ public class Dimmable extends Switchable {
         newState.setIntensity(getIntensity());
         return newState;
     }
+
+    @Override
+    public double readTriggerState() {
+        return intensity;
+    }
 }
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/RegularLight.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/RegularLight.java
index 2dcff1b..2d06c59 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/RegularLight.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/RegularLight.java
@@ -6,7 +6,7 @@ import javax.validation.constraints.NotNull;
 
 /** Represents a standard non-dimmable light */
 @Entity
-public class RegularLight extends Switchable {
+public class RegularLight extends Switchable implements BooleanTriggerable {
 
     /** Whether the light is on or not */
     @Column(name = "light_on", nullable = false)
@@ -27,4 +27,9 @@ public class RegularLight extends Switchable {
     public void setOn(boolean on) {
         this.on = on;
     }
+
+    @Override
+    public boolean readTriggerState() {
+        return on;
+    }
 }
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SecurityCamera.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SecurityCamera.java
index 7ddde5d..3d4cef9 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SecurityCamera.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SecurityCamera.java
@@ -5,7 +5,7 @@ import javax.persistence.Entity;
 import javax.validation.constraints.NotNull;
 
 @Entity
-public class SecurityCamera extends Switchable {
+public class SecurityCamera extends Switchable implements BooleanTriggerable {
 
     public SecurityCamera() {
         super("securityCamera");
@@ -33,4 +33,9 @@ public class SecurityCamera extends Switchable {
     public void setOn(boolean on) {
         this.on = on;
     }
+
+    @Override
+    public boolean readTriggerState() {
+        return on;
+    }
 }
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SmartPlug.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SmartPlug.java
index 546c746..77f6c3d 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SmartPlug.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SmartPlug.java
@@ -1,6 +1,5 @@
 package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
-import com.google.common.base.Objects;
 
 import java.math.BigDecimal;
 import javax.persistence.Column;
@@ -9,7 +8,7 @@ import javax.validation.constraints.NotNull;
 
 /** A smart plug that can be turned either on or off */
 @Entity
-public class SmartPlug extends Switchable {
+public class SmartPlug extends Switchable implements BooleanTriggerable {
 
     /** The average consumption of an active plug when on in Watt */
     public static final Double AVERAGE_CONSUMPTION_KW = 200.0;
@@ -46,4 +45,9 @@ public class SmartPlug extends Switchable {
     public SmartPlug() {
         super("smartPlug");
     }
+
+    @Override
+    public boolean readTriggerState() {
+        return on;
+    }
 }