diff --git a/oriole/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml b/oriole/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
index fa178a8..8e6ed37 100644
--- a/oriole/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
+++ b/oriole/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
@@ -52,5 +52,8 @@
 
     <!-- Offset should not be more than 1mm -->
     <dimen name="udfps_burn_in_offset_y">16px</dimen>
+
+    <!-- Pixel pitch of the device. um/px -->
+    <item name="pixel_pitch" format="float" type="dimen">61.8</item>
 </resources>
 
diff --git a/raven/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml b/raven/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
index bc7aab2..78e96da 100644
--- a/raven/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
+++ b/raven/overlay/frameworks/base/packages/SystemUI/res/values/dimens.xml
@@ -59,5 +59,8 @@
 
     <!-- Padding for the lock icon on the keyguard. In pixels - should not scale with display size. -->
     <dimen name="lock_icon_padding">68px</dimen>
+
+    <!-- Pixel pitch of the device. um/px -->
+    <item name="pixel_pitch" format="float" type="dimen">49.6</item>
 </resources>