4 Channel DVR Recorder fully integrated records in real time with *SATA HD up to 1TB. Standard H.264 encoding method. Connect up to 4 cameras. Can record 24/7 or record when your camera detects motion. A remote control and mouse are included for operation.Network access, VGA video output, USB 2.0 backup, also allows for access via 3G "Mobile Live" and through the internet at off site locations.