Amcrest 650 TVL 8CH Video Security System - Eight 650TVL Weatherproof IP66 Bullet Cameras (Black) Includes 8 High Resolution 650 TVL IP66 Heavy-Duty Metal Weatherproof Cameras for Excellent Video Quality and Clarity. View and Record in Widescreen with Remote Viewing on iPhone, iPad, and Android devices (with included Amcrest Link app). Pre-Installed 1TB Hard Drive (expandable up to 4 TB) for 6 Days of Continuous Recording at Highest Resolution. Longer Recording Times Up to 30+ Days Available with Use of Motion Detection and/or Lower Resolution Settings. USB backup feature for peace of mind, IP66 heavy-duty metal indoor/outdoor heavy duty metal weatherproof cameras, and powerful IR-LED night vision.