19” LCD OBSERVATION SYSTEM; INTEGRATED H.264 PENTAPLEX DVR; NETWORK INTERFACE FOR REMOTE INTERNET VIEWING ; SUPPORTS FREE LOREX® DDNS SERVICE; 320 GB HDD PENTAPLEX OPERATION ALLOWS FOR SIMULTANEOUS MONITORING, RECORDING & PLAYBACK; H.264 LEVEL COMPRESSION TECHNOLOGY; REMOTE SYSTEM CONTROLS; RECORD ALL CAMERAS SIMULTANEOUS AT 240 FPS REAL TIME ; USB 2.0 SUPPORTS EXTERNAL USB HARD DRIVE, USB OPTICAL DRIVE, USB FLASH DRIVE ; PAN/ TILT/ ZOOM CAMERA CONTROL ; INCLUDES 4 WEATHERPROOF CAMERAS WITH 450 TV LINES OF RESOLUTION ; FEATURES NIGHT VISION RANGE UP TO 50 FT ; 8 ALARM INPUTS & 1 ALARM OUTPUT; INCLUDES FOUR 60-FT EXTENSION CABLES, POWER SUPPLIES, ETHERNET CABLE, INFRARED REMOTE CONTROL, & REMOTE APPLICATION SOFTWARE CD