Q-See Surveillance System QT8716-16AA-4 32-Channel HD IP NVR with 4TB Hard Drive, 8-4MP Security Cameras, 8-4MP Varifocal Security Cameras (White) Includes a total of 16 High-Resolution HD IP 4MP/1080P Weatherproof Cameras. Out of which 4 are Varifocal . Each Bullet camera provides up to 100ft. of night vision with the varifocal providing 165 ft., and the domes 80ft. Varifocal Lens Size of 2.8mm - 12mm Comes with a Pre-installed 4 TB Hard Drive Remote Internet monitoring- Stream Live Video Directly to a remote MAC or PC, iPhone, iPad, or Android. Receive email alerts upon motion detection