Q-See 16 Channel Full D1 Security System with 1TB HDD and 8 650TVL High Resolution Weatherproof Cameras 16 Channel DVR with Real-Time D1 (704x480) Resolution, Pre-Installed 1TB Hard Drive HDMI Port for High Resolution Viewing options with included Standard HDMI cable High Resolution 650TVL CCD Resolution; All-Metal Weatherproof Cameras for Indoor and Outdoor Use Up to 65ft of Night Vision in total darkness; Up to 100ft of Night Vision with ambient lighting Free Q-See Apps for iPhone, iPad, Android, and Windows Phone PC and Mac Compatibility Email Alerts with Incident Snapshots