-Recording of max 8MP resolution - 32/16/8/4 channel input - 4/2/1 SATA interfaces - Recording of max 12MP resolution c 8 / 6 1 / 2 3- hannel input - 4/2 SATA interfaces -Recordingofmax4MPresolution - 8/4 channel input - 1 SATA interfaces 77/76 NI-K Series 77/76 NI-I Series 71NI-E Series Professional Series Economic Series GENERAL NVR PRODUCT LINE IP NETWORK VIDEO RECORDERS (NVRS) Hikvision offers a wide range of NVRs, from the 4-channel to 32-channel, 1HDD to 4HDD, 4MP to 12MP in professional series. They offer IP camera monitoring, recording and playback, whatever the requirement.