Q-SEE QT5140-5 4 Channel DVR Real-time D1 Resolution H.264 DVR Features: H.264 Compression FULL D1 Real-Time Record (120 FPS/30 FPS Per Channel) HDMI Port for Hi-Res Viewing Multi-Tasking Functionality USB Mouse for Easy Navigation MobileRemote Internet Monitoring Feature via Google Chrome, Internet Explorer, Mozilla Firefox Phone Surveillance on iPhone, Android, Blackberry and other Smartphones & Devices Mobile Phone Surveillance on iPhone, Android, Blackberry and other Smartphones & Devices Free Q-See Apps for Remote Monitoring CMS Compatible! View up to 64 cameras and connect up to 100 DVRs Mac OS Compatible (10.6 & 10.7) Dual Streaming (Main Stream and Substream) Receive Email Alerts on Motion Detection, when the Hard Drive is full, or video loss Backup via PC, Flash Drive, or USB HDD Various Recording Modes: Motion Detection, Time Schedule, Alarm, Continuous 24/7 2 RCA Audio Inputs / 1 Audio Output 1 VGA Port to Connect VGA Monitor 1 HDMI Out to Connect HD Monitor 1 RS-485 Connection for PTZ Camera Remote Control and USB Mouse Included Pre-installed 500GB HDD, Supports 1 SATA 2TB Hard Drive for total of 2TB Warranty: 1 Year Manufacturer Warranty Free Lifetime Technical Support