Swann's SWDVK164008US is a 16 Channel TruBlue D1 Digital Video Recorder that will deliver larger, clearer, full screen high resolution videos in real-time video. The SWDVK840008US has a pre-installed 1TB hard drive for extended recording time. The SWDVK164008US comes with 800 x 600 TVL line High Resolution Cameras for indoor and outdoor use with motion detection. High definition HDMI and VGA outputs give you easy hook up. The system allows for live viewing on the Internet, and Smartphones. Swann makes it easier with the 'My DVR' network set-up.