diff --git a/app/admin/system/settings/page.tsx b/app/admin/system/settings/page.tsx
index cbb7d7af..2bf7f708 100644
--- a/app/admin/system/settings/page.tsx
+++ b/app/admin/system/settings/page.tsx
@@ -35,6 +35,15 @@ export default async function IntegrationsPage() {
                 description:
                     'Every how many seconds should displays "phone home" for updated information?',
             },
+            {
+                setting: 'display-dev-environment-link',
+                type: 'string',
+                defaultValue: '',
+
+                label: 'Dev environment link',
+                description:
+                    'When set, a menu item will be included linking through to this URL.',
+            },
             {
                 setting: 'display-max-time-since-check-in-days',
                 type: 'number',
diff --git a/app/api/admin/updateSettings.ts b/app/api/admin/updateSettings.ts
index dd29dee6..19c3f44f 100644
--- a/app/api/admin/updateSettings.ts
+++ b/app/api/admin/updateSettings.ts
@@ -27,7 +27,7 @@ export const kUpdateSettingsDefinition = z.object({
             /**
              * Value that the setting should be set to.
              */
-            value: z.number().or(z.string().min(1)),
+            value: z.number().or(z.string()),
 
         })).min(1),
     }),
diff --git a/app/api/display/route.ts b/app/api/display/route.ts
index 9596fc76..ce74d0cf 100644
--- a/app/api/display/route.ts
+++ b/app/api/display/route.ts
@@ -6,7 +6,7 @@ import { z } from 'zod';
 
 import type { ApiDefinition, ApiRequest, ApiResponse } from '../Types';
 import { executeAction, noAccess, type ActionProps } from '../Action';
-import { readSetting } from '@lib/Settings';
+import { readSettings } from '@lib/Settings';
 import { getDisplayIdFromHeaders, writeDisplayIdToHeaders } from '@lib/auth/DisplaySession';
 import db, { tActivitiesLocations, tDisplays, tEvents } from '@lib/database';
 
@@ -26,6 +26,21 @@ const kDisplayDefinition = z.object({
          */
         label: z.string(),
 
+        /**
+         * Optional link to the development environment.
+         */
+        devEnvironment: z.string().optional(),
+
+        /**
+         * Whether the device should be locked.
+         */
+        locked: z.boolean(),
+
+        /**
+         * Whether the device has been fully provisioned and is ready for use.
+         */
+        provisioned: z.boolean(),
+
         /**
          * Timezone in which the display operates. Will affect the local time.
          */
@@ -66,7 +81,12 @@ async function display(request: Request, props: ActionProps): Promise<Response>
     if (!props.ip)
         noAccess();
 
-    const updateFrequencySeconds = await readSetting('display-check-in-rate-seconds') ?? 300;
+    const settings = await readSettings([
+        'display-check-in-rate-seconds',
+        'display-dev-environment-link',
+    ]);
+
+    const updateFrequencySeconds = settings['display-check-in-rate-seconds'] ?? 300;
     const updateFrequencyMs = Math.max(10, updateFrequencySeconds) * 1000;
 
     // ---------------------------------------------------------------------------------------------
@@ -119,26 +139,23 @@ async function display(request: Request, props: ActionProps): Promise<Response>
         .select({
             identifier: tDisplays.displayIdentifier,
             label: tDisplays.displayLabel,
+            locked: tDisplays.displayLocked.equals(/* true= */ 1),
+            timezone: eventsJoin.eventTimezone,
 
             // Event information:
             eventId: eventsJoin.eventId,
-            timezone: eventsJoin.eventTimezone,
 
             // Location information:
             locationId: activitiesLocationsJoin.locationId,
         })
         .executeSelectOne();
 
-    // ---------------------------------------------------------------------------------------------
-    // Step 3: Read dynamic information about the volunteers at the location
-    // ---------------------------------------------------------------------------------------------
-
-    // TODO: Include the list of volunteers
-    // TODO: Include the device locked status
-
     return {
         identifier: configuration.identifier,
         label: configuration.label ?? 'AnimeCon Volunteering Teams',
+        devEnvironment: settings['display-dev-environment-link'],
+        locked: configuration.locked,
+        provisioned: !!configuration.eventId && !!configuration.locationId,
         timezone: configuration.timezone ?? 'Europe/Amsterdam',
         updateFrequencyMs,
     };
diff --git a/app/display/DisplayController.tsx b/app/display/DisplayController.tsx
index 0dbb640a..7ef05000 100644
--- a/app/display/DisplayController.tsx
+++ b/app/display/DisplayController.tsx
@@ -65,7 +65,7 @@ export function DisplayController(props: React.PropsWithChildren) {
 
         return () => clearInterval(timer);
 
-    }, [ updateFrequencyMs ])
+    }, [ updateFrequencyMs ]);
 
     // Effect that actually updates the context. This is done by making a network call to the
     // Display API, which identifies the displays based on an identifier assigned by the server,
diff --git a/app/display/DisplayHeader.tsx b/app/display/DisplayHeader.tsx
index d93d90c2..e0809818 100644
--- a/app/display/DisplayHeader.tsx
+++ b/app/display/DisplayHeader.tsx
@@ -4,10 +4,12 @@
 'use client';
 
 import { useCallback, useContext, useEffect, useState } from 'react';
+import { useRouter } from 'next/navigation';
 
 import type { SvgIconProps } from '@mui/material/SvgIcon';
 import Box from '@mui/material/Box';
 import CircularProgress from '@mui/material/CircularProgress';
+import DeveloperBoardIcon from '@mui/icons-material/DeveloperBoard';
 import Divider from '@mui/material/Divider';
 import IconButton from '@mui/material/IconButton';
 import Paper from '@mui/material/Paper';
@@ -44,6 +46,34 @@ function CurrentTime(props: { timezone?: string }) {
  */
 export function DisplayHeader() {
     const context = useContext(DisplayContext);
+    const router = useRouter();
+
+    const [ showDevEnvironment, setShowDevEnvironment ] = useState<boolean>(false);
+
+    const handleDevEnvironment = useCallback(() => {
+        if (!!context?.devEnvironment)
+            router.push(context.devEnvironment);
+
+    }, [ context?.devEnvironment, router ]);
+
+    useEffect(() => {
+        if (!!context && !!context.devEnvironment) {
+            try {
+                const currentUrl = new URL(window.location.href);
+                const devUrl = new URL(context.devEnvironment);
+
+                if (currentUrl.host !== devUrl.host) {
+                    setShowDevEnvironment(true);
+                    return;
+                }
+            } catch (error: any) {
+                console.error(`Invalid devEnvironment setting: ${context.devEnvironment}`);
+            }
+        }
+
+        setShowDevEnvironment(false);
+
+    }, [ context ]);
 
     const [ refreshActive, setRefreshActive ] = useState<boolean>(false);
     const [ refreshResult, setRefreshResult ] = useState<SvgIconProps['color']>('inherit');
@@ -75,6 +105,10 @@ export function DisplayHeader() {
                         <IconButton onClick={handleRefresh}>
                             <RefreshIcon color={refreshResult} />
                         </IconButton> }
+                    { !!showDevEnvironment &&
+                        <IconButton onClick={handleDevEnvironment}>
+                            <DeveloperBoardIcon color="inherit" />
+                        </IconButton> }
                     <IconButton>
                         <SettingsIcon />
                     </IconButton>
diff --git a/app/lib/Settings.ts b/app/lib/Settings.ts
index d74b45b1..ca67999b 100644
--- a/app/lib/Settings.ts
+++ b/app/lib/Settings.ts
@@ -14,6 +14,7 @@ type SettingsMap = {
     // ---------------------------------------------------------------------------------------------
 
     'display-check-in-rate-seconds': number;
+    'display-dev-environment-link': string;
     'display-max-time-since-check-in-days': number;
 
     // ---------------------------------------------------------------------------------------------