GW Security Inc VD-9704H 4-Channel 960H Video Recording DVR with Pre-Installed 500GB Hard Drive (Black) This DVR provides you with real-time 960H (960x480) resolution and records at 30 FPS per camera Support mobile surveillance by phones with Android, Blackberry, iPad, Symbian and iPhone ,HDMI & VGA Support IE browser to remote view, compatible with Mac and Windows DVR offers 4 recording modes for customizable recording: manual, alarm trigger, motion detection, and timed Pre-installed 500GB Hard Drive with 1 Year Warranty, free Life Time Tech Support From U.S.A.