Hills ComNav is an internet control unit for the Hills Reliance security alarm system. It allows you to control your home or business security system from anywhere in the world using your smartphone, Tablet, or PC. Using the xConnect smartphone App, users can now turn their security systems on and off. This feature is available on both Android and iOS devices. Using your internet browser, customers can access advanced features including enable/disable user codes or modify email accounts and SMS/Voice phone numbers.