diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index ed5e1ba..fd69189 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -585,4 +585,13 @@
 
     <!-- Whether device supports double tap to wake -->
     <bool name="config_supportDoubleTapWake">true</bool>
+
+    <!-- List of biometric sensors on the device, in decreasing strength. Consumed by AuthService
+         when registering authenticators with BiometricService. Format must be ID:Modality:Strength,
+         where: IDs are unique per device, Modality as defined in BiometricAuthenticator.java,
+         and Strength as defined in Authenticators.java -->
+    <string-array name="config_biometric_sensors" translatable="false" >
+        <!-- ID0:Fingerprint:Strong -->
+        <item>0:2:15</item>
+    </string-array>
 </resources>