Bold in technology yet understated in design, this advanced surveillance system contains a 16-channel multiplex DVR, integrated 19-inch LCD monitor, pre-installed 1 Terabyte hard drive (upgradable to 2 Terabytes), and sixteen high-quality weatherproof cameras. It is compatible with Mac OS X 10.7, Windows operating systems, and works easily with select smartphones and the internet for surveillance on-the-go. View your camera feeds from your iPhone, iPad, BlackBerry or Android phone with Windows Mobile Pro or Symbian operating systems, and receive email alerts with snapshot images even while traveling worldwide. Simultaneously record, watch live video and playback, manage monitoring, and back-up files without risking video loss. Choose from CIF and D1 recording resolutions, and multiple search and recording options. Key features like H.264 video compression allows you to maximize your hard drive space and recording time, while maintaining high quality digital video. Enjoy other key features like 2X digital zoom, auto-sequence viewing, and breeze through the program menus with the sophisticated user interface. Q-See offers its Centralized Management System (CMS) software for its QC-series DVRs Monitor multiple QC-series DVRs from a single computer using just one, simple log-in. Control each DVR just as if you were sitting at it! The cameras hold 1/4 in. Sony CCD image sensors, 36 infrared LEDs, 520 TV lines of resolution and a 60 foot (18m) night vision range.