Tis Wireless Alarm System is an extremely affordable security system that allows you to monitor your own home or business by telephone. There are no monthly fees or contracts. You own the system. No more false alarm fees. The Wireless Alarm System utilizes an exclusive built-in AutoDialer and speakerphone. The system can call up to 6 phone numbers, allowing you to listen in and even speak to someone in your home or business during any alarm situation. An unlimited amount of wireless sensors can be added to the system.