Abstract: Provided is a mobile device including: a storage configured to store a main application associated with a security equipment for a security purpose, and a security widget of the main application; and a controller configured to load the security widget from the storage, wherein the security widget includes: a connection establisher configured to establish connection to the security equipment using connection establishment information that is shared with the main application; and an equipment associator that is configured to comprise a video associator configured to receive a surveillance video frame of a surveillance channel from the connected security equipment and display the received surveillance video frame.