diff --git a/server/scripts/setup-database.js b/server/scripts/setup-database.js
index 6bff6b3..9081c7b 100644
--- a/server/scripts/setup-database.js
+++ b/server/scripts/setup-database.js
@@ -137,7 +137,7 @@ const setupDatabase = async () => {
     console.log('🚁 Creating sample drone detections...');
     const detections = await DroneDetection.bulkCreate([
       {
-        device_id: 1941875381,
+        device_id: 'device-alpha-001',
         geo_lat: 59.3293,
         geo_lon: 18.0686,
         device_timestamp: Math.floor(Date.now() / 1000),
@@ -152,7 +152,7 @@ const setupDatabase = async () => {
         tenant_id: defaultTenant.id
       },
       {
-        device_id: 1941875382,
+        device_id: 'device-beta-002',
         geo_lat: 57.7089,
         geo_lon: 11.9746,
         device_timestamp: Math.floor(Date.now() / 1000) - 3600,
@@ -167,7 +167,7 @@ const setupDatabase = async () => {
         tenant_id: defaultTenant.id
       },
       {
-        device_id: 1941875381,
+        device_id: 'device-alpha-001',
         geo_lat: 59.3295,
         geo_lon: 18.0690,
         device_timestamp: Math.floor(Date.now() / 1000) - 7200,
@@ -217,7 +217,7 @@ const setupDatabase = async () => {
           rssi_threshold: -70,
           max_distance: 1000,
           drone_types: [1, 2],
-          device_ids: [1941875381, 1941875382]
+          device_ids: ['device-alpha-001', 'device-beta-002']
         },
         actions: {
           sms: true,
@@ -234,7 +234,7 @@ const setupDatabase = async () => {
         description: 'Alert when security devices go offline',
         conditions: {
           device_offline: true,
-          device_ids: [1941875381, 1941875382, 1941875383]
+          device_ids: ['device-alpha-001', 'device-beta-002', 'device-gamma-003']
         },
         actions: {
           sms: true,
@@ -263,7 +263,7 @@ const setupDatabase = async () => {
         user_id: operatorUser.id,
         alert_rule_id: alertRules[1].id,
         detection_id: null,
-        message: 'Device 1941875383 went offline',
+        message: 'Device device-gamma-003 went offline',
         status: 'sent',
         sent_at: new Date(Date.now() - 30 * 60 * 1000)
       }