InGrid RKR801IG Keychain Remote The two-way design means that you can be 100% sure that the system is armed - the audible beep will tell you that your command was acknowledged Visual feedback in the form of a flashing LED light indicates system arming and disarming and trouble conditions Monthly Maintenance Fee is required for full system activation (not included) Works just like a remote car alarm High Speed Internet and in-home Router are required (not included)