diff --git a/person_detection/app.py b/person_detection/app.py
index 0c15bec..59cc966 100644
--- a/person_detection/app.py
+++ b/person_detection/app.py
@@ -19,8 +19,10 @@
 @app.route('/')
 def index():
     """Video streaming home page."""
+    global args
+    devices = {str(x):"Camera "+str(x) for x in range(args.num)}
     log.info("{} - connected".format(flask.request.remote_addr))
-    return flask.render_template('index.html', devices=config.cameras)
+    return flask.render_template('index.html', devices=devices)
 
 
 def gen(camera):
@@ -88,6 +90,10 @@
     args.add_argument("--password",
             help = "ROC password",
             type = str)
+    args.add_argument("--num",
+                      help="Number of camera devices",
+                      default=1,
+                      type=int)
     args.add_argument("--mbrlow",
                       help="Low range of MBR",
                       default=7000000,