diff --git a/custom_components/battery_notes/data/library.json b/custom_components/battery_notes/data/library.json
index 7cfaa542..b3a5ddc7 100644
--- a/custom_components/battery_notes/data/library.json
+++ b/custom_components/battery_notes/data/library.json
@@ -9090,6 +9090,14 @@
             "model": "ZSE70",
             "battery_type": "CR123A",
             "battery_quantity": 2
+        },
+        {
+            "manufacturer": "Develco",
+            "model": "Window sensor",
+            "model_id": "WISZB-120",
+            "hw_version": "3.1.1",
+            "battery_type": "AAA",
+            "battery_quantity": 2
         }
     ]
 }
\ No newline at end of file