Cyrex Networks EX-320H the convenience of answering the door in any part of the house, then the EX-320H expansion monitor is an important addition to your system. You can enjoy the convenience of installing up to 7 expansion monitors. As the doorbell is activated, the video is sent to every monitor. From there, users can view and answer directly from the any monitor. Furthermore, the monitors function as an intercom so you can broadcast and communicate with other monitors.

SYSTEM IS EXPANDABLE UP TO: 7 EX-320H Expansion Monitors, 2 EX-320D Expansion Doorbells and 2 EX-320C Expansion Dome Cameras

OR

1 EX-320D Expansion Doorbells and 3 EX-320C Expansion Dome Cameras