Q-See QR4274-418-3 7-Inch Retractable LCD with Built-in 4-Channel H.264 Real-Time Surveillance DVR 4 CCD Color Camera Kits Pre-Installed 320 GB Hard Drive Advanced H.264 Video Compression with 7 Inch LCD display CIF Real-Time Recording (30FPS per channel x 4 cameras = 120FPS Total) / D1 Recording Option (7.5FPS per channel x 4 cameras = 30FPS Total) Stream Live Video Directly to a remote PC, iPhone, iPad, Blackberry Curve 8900, Bold 9000?9700 only, And other Supported Smartphone Running Windows Mobile Pro or Symbian on 3G Networks. Trigger Email Alerts on Motion Detection Events Pre-Installed 320GB Hard Drive