2 LINE, 16 CHARACTER ALPHANUMERIC DISPLAY FOR CONCORD: The ATP1000 lets you control all programming and operation of compatible Concord security systems. The large 2-line, 16-character display provides easy to read messages to indicate the current status of the system. The touchpad includes police, fire, and auxiliary panic buttons that can be activated anytime. A built-in speaker provides alarm, status, and button-press sounds. A swingdown door reveals a label with basic system operating commands. The door can be removed by simply opening it past its stop point. The door can also be reattached later if desired. more info