NVR77 6MP NVR, 4ch

Key Features:

• Connectable to the third-party network cameras like like ACTI, Arecont, AXIS, Bosch, Brickcom, Canon, ONVIF, PANASONIC, Pelco, PSIA, SAMSUNG, SANYO, SONY, Vivotek and ZAVIO.
• 4/8/16/32 network cameras can be connected for different models.
• Support live view, storage, and playback of the connected camera with up
  to the resolution of 6 megapixels.
• Simultaneous HDMI and VGA outputs at up to 1920×1080 resolution.
• New GUI and support starting record with one key.
• Multiple recording types: manual, continuous, alarm, motion, motion |
  alarm, motion & alarm.
• Realize instant playback for assigned channel during multi-channel
  display mode.
• Customization of tags, searching, and playing back by tags.
• Playback by sub-periods.
• Locking and unlocking record files.
• Support HDD quota mode; different capacity can be assigned to different
  channel.
• Up to 2 SATA hard disks can be connected with up to 4TB capacity for
  each.
• 1 self-adaptive 10M/100M/1000M network interface is provided.
• Up to 4/8/16 independent PoE network interfaces for different models.
• Support Hikvision DDNS (Dynamic Domain Name System).
• Support network detection, including network delay, packet loss, etc.
• Support enabling H.264+ to ensure high video quality with lowered
  bitrate.