... , 4CH video in 3.IE, mobile phone 4.PAL/NTSC, support 1 SATA 5.4CH playback,PTZ control Robustsecu R-D8104 ... , including resolution, Frame, bit rate, image quality and so on.Support 4 channel play back, synchronized playback at single channel, 2 ... data will be saved before power failure. Recover speed is fast.Support many languages, including Chinese, English, Dutch, Hungarian, French, Danish, Turkish ...