ALCâs Wireless Security System is a self-monitoring system that is easy to install and eliminates the need for costly monitoring fees. The Control Hub connects wirelessly with system components, monitors the components and communicates to and from your Apple iOS or Android smartphone or tablet. Integrate additional system accessories (sold separately): up to (4) ALC Sight HD Security Cameras and up to a total of (36) ALC system accessories. Push Notifications are sent to your smartphone or tablet notifying you of an event