H.264; H.264+& Dual-stream vidL, Support HD-TVI; AHD and anal, Support 1080P lite real-time r, Up to 48-ch synchronous play, Playback at up to 256X speed, Get Winter Discount.
1 SATA HDD supports up to 6TB, Signal: AnalogAHDCVITVI 2.0, H.264 Video Compression, 2 USB 2.0 Interface, OS: Embedded LINUX, Record Mode: ManualTimerMot.