Supports 6 video cameras - expandable up to 15 video cameras. Each camera is individually configurable and supports continuous and/or motion detection. Supports PTZ control and Java streaming. Alerts sent via email or SMS, with easy access via web browser. Unique ability to superimpose external data such as room temperature, time clock ID' data etc on to the video image. Privacy Mask function to hid areas of the video field of view where it may be necessary for privacy reasons or to reduce the field of view in motion detection recording mode. Compatible with all existing video cameras.