Swann SW244-PO4 DVR4-1100 Recording Kit Includes 250GB Compact Digital Video Recorder and 4 All-Weather Outdoor Cameras with Night Vision 250-GB Hard Drive pre-installed USB 2.0 backup of video to PC Motion Detection - saves hard drive space Four All-Weather Color Camera with up to 25-feet of Night Vision Capability 40 Degree Viewing Angle for Camera Lens