diff --git a/person_detection/app.py b/person_detection/app.py
index 87a2cd9..fc0b9c7 100644
--- a/person_detection/app.py
+++ b/person_detection/app.py
@@ -41,15 +41,41 @@
 def build_argparser():
     parser = ArgumentParser(add_help=False)
     args = parser.add_argument_group('Options')
-    args.add_argument('-h', '--help', action='help', default=SUPPRESS, help='Show this help message and exit.')
-    args.add_argument("-m", "--model", help="Required. Path to an .xml file with a trained model.",
-                      required=True, type=str)
+    args.add_argument('-h', '--help',
+            action = 'help',
+            default = SUPPRESS,
+            help = 'Show this help message and exit.')
+    args.add_argument("-m", "--model",
+            help = "Required. Path to an .xml file with a trained model.",
+            required = True,
+            type = str)
     args.add_argument("-i", "--input",
-                      help="Path to video file or image. 'cam' for capturing video stream from camera",
-                      default = "gstreamer", type=str)
-    args.add_argument("-pt", "--prob_threshold", help="Optional. Probability threshold for detections filtering",
-                      default=0.0, type=float)
-    args.add_argument("--idle", action='store_true', help="Idle if no clients connected")
+            help = "Path to video file or image. 'cam' for capturing video stream from camera",
+            default = "gstreamer",
+            type = str)
+    args.add_argument("-pt", "--prob_threshold",
+            help = "Optional. Probability threshold for detections filtering",
+            default = 0.75,
+            type = float)
+    args.add_argument("--idle",
+            action = 'store_true',
+            help = "Idle if no clients connected")
+    args.add_argument("--key",
+            help = "ROC api key",
+            required = True,
+            type = str)
+    args.add_argument("--mbrlow",
+            help = "Low range of MBR",
+            default = 5000000,
+            type = int)
+    args.add_argument("--mbrhigh",
+            help = "High range of MBR",
+            default = 10000000,
+            type = int)
+    args.add_argument("--devicegroup",
+            help = "Camera device group",
+            default = "menlo-4g-cameras",
+            type = str)
 
     return parser