diff --git a/android/src/main/java/com/sensormanager/AccelerometerRecord.java b/android/src/main/java/com/sensormanager/AccelerometerRecord.java
index 01741e8..3c8062d 100644
--- a/android/src/main/java/com/sensormanager/AccelerometerRecord.java
+++ b/android/src/main/java/com/sensormanager/AccelerometerRecord.java
@@ -78,6 +78,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
 				map.putDouble("x", sensorEvent.values[0]);
 				map.putDouble("y", sensorEvent.values[1]);
 				map.putDouble("z", sensorEvent.values[2]);
+				map.putDouble("timestamp", sensorEvent.timestamp);
 				sendEvent("Accelerometer", map);
                 lastUpdate = curTime;
             }
diff --git a/android/src/main/java/com/sensormanager/GyroscopeRecord.java b/android/src/main/java/com/sensormanager/GyroscopeRecord.java
index cf708ef..315d69f 100644
--- a/android/src/main/java/com/sensormanager/GyroscopeRecord.java
+++ b/android/src/main/java/com/sensormanager/GyroscopeRecord.java
@@ -72,6 +72,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
 				map.putDouble("x", sensorEvent.values[0]);
 				map.putDouble("y", sensorEvent.values[1]);
 				map.putDouble("z", sensorEvent.values[2]);
+				map.putDouble("timestamp", sensorEvent.timestamp);
 				sendEvent("Gyroscope", map);
                 lastUpdate = curTime;
             }
diff --git a/android/src/main/java/com/sensormanager/LightSensorRecord.java b/android/src/main/java/com/sensormanager/LightSensorRecord.java
index 2a83009..01aa271 100644
--- a/android/src/main/java/com/sensormanager/LightSensorRecord.java
+++ b/android/src/main/java/com/sensormanager/LightSensorRecord.java
@@ -69,6 +69,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
             if ((curTime - lastUpdate) > delay) {
                 i = 0;
                 map.putDouble("light", sensorEvent.values[0]);
+				map.putDouble("timestamp", sensorEvent.timestamp);
                 sendEvent("LightSensor", map);
                 lastUpdate = curTime;
             }
diff --git a/android/src/main/java/com/sensormanager/MagnetometerRecord.java b/android/src/main/java/com/sensormanager/MagnetometerRecord.java
index 9fb5b05..6ffbf94 100644
--- a/android/src/main/java/com/sensormanager/MagnetometerRecord.java
+++ b/android/src/main/java/com/sensormanager/MagnetometerRecord.java
@@ -72,6 +72,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
 				map.putDouble("x", sensorEvent.values[0]);
 				map.putDouble("y", sensorEvent.values[1]);
 				map.putDouble("z", sensorEvent.values[2]);
+				map.putDouble("timestamp", sensorEvent.timestamp);
 				sendEvent("Magnetometer", map);
                 lastUpdate = curTime;
             }
diff --git a/android/src/main/java/com/sensormanager/MotionValueRecord.java b/android/src/main/java/com/sensormanager/MotionValueRecord.java
index 04765e7..dcb790c 100644
--- a/android/src/main/java/com/sensormanager/MotionValueRecord.java
+++ b/android/src/main/java/com/sensormanager/MotionValueRecord.java
@@ -84,6 +84,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
             if ((curTime - lastUpdate) > delay) {
                 i = 0;
 				map.putDouble("value", currentValue);
+				map.putDouble("timestamp", sensorEvent.timestamp);
 				sendEvent("MotionValue", map);
                 motionValue = currentValue;
                 currentValue = 0;
diff --git a/android/src/main/java/com/sensormanager/OrientationRecord.java b/android/src/main/java/com/sensormanager/OrientationRecord.java
index 3811f85..1cb287e 100644
--- a/android/src/main/java/com/sensormanager/OrientationRecord.java
+++ b/android/src/main/java/com/sensormanager/OrientationRecord.java
@@ -108,6 +108,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
           map.putDouble("azimuth", heading);
           map.putDouble("pitch", pitch);
           map.putDouble("roll", roll);
+          map.putDouble("timestamp", sensorEvent.timestamp);
           sendEvent("Orientation", map);
           lastUpdate = curTime;
         }
diff --git a/android/src/main/java/com/sensormanager/ProximityRecord.java b/android/src/main/java/com/sensormanager/ProximityRecord.java
index 28bd06a..1542526 100644
--- a/android/src/main/java/com/sensormanager/ProximityRecord.java
+++ b/android/src/main/java/com/sensormanager/ProximityRecord.java
@@ -79,6 +79,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
                 map.putBoolean("isNear", value < maxRange);
                 map.putDouble("value", value);
                 map.putDouble("maxRange", maxRange);
+                map.putDouble("timestamp", sensorEvent.timestamp);
 
                 sendEvent("Proximity", map);
                 lastUpdate = curTime;
diff --git a/android/src/main/java/com/sensormanager/StepCounterRecord.java b/android/src/main/java/com/sensormanager/StepCounterRecord.java
index 80aab48..8011d04 100644
--- a/android/src/main/java/com/sensormanager/StepCounterRecord.java
+++ b/android/src/main/java/com/sensormanager/StepCounterRecord.java
@@ -70,6 +70,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
             if ((curTime - lastUpdate) > delay) {
                 i = 0;
 				map.putDouble("steps", sensorEvent.values[0]);
+				map.putDouble("timestamp", sensorEvent.timestamp);
 				sendEvent("StepCounter", map);
                 lastUpdate = curTime;
             }
diff --git a/android/src/main/java/com/sensormanager/ThermometerRecord.java b/android/src/main/java/com/sensormanager/ThermometerRecord.java
index 25b934d..29b5f64 100644
--- a/android/src/main/java/com/sensormanager/ThermometerRecord.java
+++ b/android/src/main/java/com/sensormanager/ThermometerRecord.java
@@ -71,6 +71,7 @@ public void onSensorChanged(SensorEvent sensorEvent) {
             if ((curTime - lastUpdate) > delay) {
                 i = 0;
 				map.putDouble("temp", sensorEvent.values[0]);
+				map.putDouble("timestamp", sensorEvent.timestamp);
 				sendEvent("Thermometer", map);
                 lastUpdate = curTime;
             }