diff --git a/docs/features/phone-light.md b/docs/features/phone-light.md
new file mode 100644
index 00000000..26b66ab0
--- /dev/null
+++ b/docs/features/phone-light.md
@@ -0,0 +1,44 @@
+# Phone Light
+
+Sensor parameters description for `[PHONE_LIGHT]`:
+
+|Key                                         | Description |
+|----------------|-----------------------------------------------------------------------------------------------------------------------------------
+|`[TABLE]`| Database table where the light data is stored
+
+## RAPIDS provider
+
+!!! info "Available day segments and platforms"
+    - Available for all day segments
+    - Available for Android only
+
+!!! info "File Sequence"
+    ```bash
+    - data/raw/{pid}/phone_light_raw.csv
+    - data/raw/{pid}/phone_light_with_datetime.csv
+    - data/interim/{pid}/phone_light_features/phone_light_{language}_{provider_key}.csv
+    - data/processed/features/{pid}/phone_light.csv
+    ```
+
+
+Parameters description for `[PHONE_LIGHT][PROVIDERS][RAPIDS]`:
+
+|Key                                         | Description |
+|----------------|-----------------------------------------------------------------------------------------------------------------------------------
+|`[COMPUTE]`| Set to `True` to extract `PHONE_LIGHT` features from the `RAPIDS` provider|
+|`[FEATURES]` |         Features to be computed, see table below
+
+
+Features description for `[PHONE_LIGHT][PROVIDERS][RAPIDS]`:
+
+|Feature                    |Units      |Description|
+|-------------------------- |---------- |---------------------------|
+|count       |rows    | Number light sensor rows recorded.
+|maxlux      |lux     | The maximum ambient luminance.
+|minlux      |lux     | The minimum ambient luminance.
+|avglux      |lux     | The average ambient luminance.
+|medianlux   |lux     | The median ambient luminance.
+|stdlux      |lux     | The standard deviation of ambient luminance.
+
+!!! note "Assumptions/Observations"
+    NA
diff --git a/mkdocs.yml b/mkdocs.yml
index 89ee9a0e..629d47e9 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -65,14 +65,15 @@ nav:
       - Introduction: features/feature-introduction.md
       - Phone:
         - Phone Data Quality: features/phone-data-quality.md
-        - Phone Messages: features/phone-messages.md
-        - Phone Calls: features/phone-calls.md
-        - Phone Bluetooth: features/phone-bluetooth.md
-        - Phone WiFI Visible: features/phone-wifi-visible.md
-        - Phone WiFI Connected: features/phone-wifi-connected.md
         - Phone Accelerometer: features/phone-accelerometer.md
+        - Phone Activity Recognition: features/phone-activity-recognition.md
         - Phone Applications Foreground: features/phone-applications-foreground.md
         - Phone Battery: features/phone-battery.md
-        - Phone Activity Recognition: features/phone-activity-recognition.md
+        - Phone Bluetooth: features/phone-bluetooth.md
+        - Phone Calls: features/phone-calls.md
+        - Phone Light: features/phone-light.md
+        - Phone Messages: features/phone-messages.md
+        - Phone WiFI Connected: features/phone-wifi-connected.md
+        - Phone WiFI Visible: features/phone-wifi-visible.md
   - Frequently Asked Questions: faq.md
   - Citation: citation.md