diff --git a/custom_components/google_photos/const.py b/custom_components/google_photos/const.py
index b2fb271..1312630 100644
--- a/custom_components/google_photos/const.py
+++ b/custom_components/google_photos/const.py
@@ -22,6 +22,7 @@
 
 SETTING_INTERVAL_OPTION_NONE = "Never"
 SETTING_INTERVAL_OPTION_10 = "10 seconds"
+SETTING_INTERVAL_OPTION_20 = "20 seconds"
 SETTING_INTERVAL_OPTION_30 = "30 seconds"
 SETTING_INTERVAL_OPTION_60 = "60 seconds"
 SETTING_INTERVAL_OPTION_120 = "120 seconds"
@@ -29,6 +30,7 @@
 SETTING_INTERVAL_OPTIONS = [
     SETTING_INTERVAL_OPTION_NONE,
     SETTING_INTERVAL_OPTION_10,
+    SETTING_INTERVAL_OPTION_20,
     SETTING_INTERVAL_OPTION_30,
     SETTING_INTERVAL_OPTION_60,
     SETTING_INTERVAL_OPTION_120,
@@ -39,6 +41,7 @@
     {
         SETTING_INTERVAL_OPTION_NONE: None,
         SETTING_INTERVAL_OPTION_10: 10,
+        SETTING_INTERVAL_OPTION_20: 20,
         SETTING_INTERVAL_OPTION_30: 30,
         SETTING_INTERVAL_OPTION_60: 60,
         SETTING_INTERVAL_OPTION_120: 120,