8 Channel 1080p Full HD SDI Security System with 2TB HDD & 8 x 1080p HD Cameras 8 Channel SDI 1080p Digital Video Recorder 1080p High Definition Video in Real-Time Pre-installed 2TB HDD 8 x 1080p Cameras (4 Dome & 4 Bullet Style) High Def HDMI & VGA output / Smartphone Viewing