32Ch Embedded Nvr Ds-7732ni-e4 Hikvision supported 6Megapixels ip camera 4Sata Alarm In and Out Cctv Security System Third-party network cameras supported; Embedded NVR 32ch Ip cameras input Up to 6 Megapixels resolution recording,16ch alarm in and 4ch alarm out Synchronous Playback: 4/8/16-ch ,Two-way audio input,Support network detection, including network delay, packet loss etc Up to 4 SATA interfaces,Up to 6TB capacity for each HDD, Keep long time recording HDMI and VGA output at up to 1920*1080P resolution