Key Features:1)High Performance H.264 Video Compression and Network Transmission;2)Built-In 7 Inches Retractable LCD Monitor;3)Triplex Operation (Recording, Playback & Network Access);4)IE Based Network Monitor, Playback & Backup;5)Support USB Mouse to operate the DVR;6)Full Graphics OSD Interface;7)Audio Recording Function Available;8)Support USB Thumb Drive Backup; 9)CIF/HD 1 Recording Resolution; 10)Programmable Schedule, Motion Detection & Sensor Triggered Recording; 11)User Friendly IR Remote Control; 12)Fast and Easy Installation;13)High Quality Video Image;14)4x 60 Feet Cable Sets for flexible monitoring;15)4 Weatherproof CCD Cameras with Night Vision;