Add 4Sight with Anywhere Access to your Control4 system and you can control your house from virtually anywhere in the world as long as you have 3G/4G or Internet connection. Manage your system from your favorite mobile devices or a web browser and start enjoying security and control features designed to keep you safely connected and in control anytime, anywhere.**For remote access your system must include Control4 OS 2.4 or later, a valid 4Sight subscription and a Control4 App license. Beginning April 1, 2013, a Control4 App site license is included with new HC-250 and HC-800 controllers. If you purchased a HC-250 or HC-800 controller prior to April 1, 2013, and you do not have a Control4 App license, please contact your dealer. Remote access is available for all mobile apps, but it does not support Control4 App for PC/Mac (Requires a local network connection).