diff --git a/.vscode/temp.sql b/.vscode/temp.sql
new file mode 100644
index 0000000..e69de29
diff --git a/clockstatusbaritem.js b/clockstatusbaritem.js
index 1016cfa..270eeab 100644
--- a/clockstatusbaritem.js
+++ b/clockstatusbaritem.js
@@ -14,7 +14,8 @@ class StatusBarItem {
     this._statusBarItem.tooltip = 'Click to insert into selection';
     this._statusBarItem.show();
 
-    this._interval = setInterval(() => this.refreshUI(), 1000);
+    this._refresh = vscode.workspace.getConfiguration('clock').refreshInterval * 1000 || 1000;
+    this._interval = setInterval(() => this.refreshUI(), this._refresh);
 
     this.refreshUI();
   }
@@ -29,4 +30,4 @@ class StatusBarItem {
   }
 }
 
-module.exports = StatusBarItem;
\ No newline at end of file
+module.exports = StatusBarItem;
diff --git a/package.json b/package.json
index cb9f89b..4c31276 100644
--- a/package.json
+++ b/package.json
@@ -28,10 +28,12 @@
   ],
   "main": "./extension",
   "contributes": {
-    "commands": [{
-      "command": "clock.insertDateTime",
-      "title": "Clock: Insert date and time"
-    }],
+    "commands": [
+      {
+        "command": "clock.insertDateTime",
+        "title": "Clock: Insert date and time"
+      }
+    ],
     "configuration": {
       "type": "object",
       "title": "Clock configuration",
@@ -40,6 +42,11 @@
           "type": "string",
           "default": "hh:MM TT",
           "description": "Clock: Date format according to https://github.com/felixge/node-dateformat"
+        },
+        "clock.refreshInterval": {
+          "type": "number",
+          "default": 1,
+          "description": "Refresh interval for clock (set longer to reduce power consumption)"
         }
       }
     }
@@ -49,5 +56,10 @@
   },
   "dependencies": {
     "dateformat": "^1.0.12"
+  },
+  "__metadata": {
+    "id": "50810048-1465-4380-9716-6cd466f2ef8e",
+    "publisherDisplayName": "Compulim",
+    "publisherId": "f9dbfd7c-f9a1-434c-9971-648ad2e23f96"
   }
-}
+}
\ No newline at end of file