H.264 video & G.711u audio compression
    4CH Hybrid DVR (960H & TVI camera input)
    Dual Stream(Main:720p(30fps), Sub: 960H(12fps),CIF(30fps)
    Recording: 960H & 720p (25/30fps), 1080p (12fps)
    HDMI and VGA output up to1920x1080P resolution
    Smartphone application for IPhone and Android phone
    Audio input(1ch)/output(1ch)
    UTC (TVI format Only): In case of using D-max TVI PTZ Camera, you can control it without any data cable
    RS-485 for PTZ camera, Digital Zoom(Live/playback)
    Support 1HDD(4TB capacity)