Includes four CCD colour cameras. Have your cameras record directly onto a hard disk (not included). Continuous recording or motion activated recording. When the hard drive is full, the oldest data is automatically recorded over. Supports SATA hard disks of max. 1 TB. Recording time for a 500 GB hard disk is up to a month for normal picture quality. Equipped with two video out sockets, audio in socket, USB port and RJ45 network socket for remote control via network or the Internet. Comes with remote control, drive routines for PC and an 18 m lead for each camera.