Ideal Security SK634 Wireless Home Security System with Telephone Auto-Dialer Ideal for home, office, small business or cottage. Up to 16 accessories can be connected. The system calls you. Record your own voice message, arm or disarm the system by telephone. Remote control with PANIC button for instant activation, listen in, with remote room monitoring and broadcast capability. Automatically call up to 5 different telephone numbers up to 5 times, expandable - link up to 16 sensors with 10 on screen zones. Programmable - pass code, exit delay, entry delay and call cycle timing.