diff --git a/apps/counter/api/mobile/serializers.py b/apps/counter/api/mobile/serializers.py
index 9f3973e..77a951c 100644
--- a/apps/counter/api/mobile/serializers.py
+++ b/apps/counter/api/mobile/serializers.py
@@ -71,6 +71,9 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
     energy = serializers.SerializerMethodField()
     coordinate = serializers.SerializerMethodField()
     location = serializers.SerializerMethodField()
+    location_group = serializers.SerializerMethodField()
+    image_url = serializers.SerializerMethodField()
+    icon_url = serializers.SerializerMethodField()
     led_status = serializers.SerializerMethodField()
     led_health = serializers.SerializerMethodField()
 
@@ -85,10 +88,13 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
             'count',
             'signal',
             'energy',
+            'image_url',
+            'icon_url',
             'led_status',
             'led_health',
             'coordinate',
             'location',
+            'location_group',
         ]
 
     def __init__(self, *args, **kwargs):
@@ -137,6 +143,11 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
             return self.mosq_device_info.location
         return None
 
+    def get_location_group(self, obj):
+        if self.mosq_device_info:
+            return self.mosq_device_info.location_group
+        return None
+
     def get_count(self, obj):
         self.latest = get_device_latest_by_cache(obj.device_id)
 
@@ -171,6 +182,16 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
             return get_vol(obj.device_id, self.latest['vol'])
         return '0%'
 
+    def get_image_url(self, obj):
+        if self.mosq_device_info:
+            return self.mosq_device_info.image_url
+        return None
+
+    def get_icon_url(self, obj):
+        if self.mosq_device_info:
+            return self.mosq_device_info.icon_url
+        return None
+
     def get_led_status(self, obj):
         if self.mosq_device_info:
             return self.mosq_device_info.led_status