* Synchronous playback: 4 channels, supports 1/4/6/8/9/16 picture preview

* HDMI video output: 1,920 x 1,080, VGA video output: 1,920 x 1,080

* Supports pre record, frame-by-frame playback, fast playback, slow playback

* Built-in web server

* Supports PTZ control, 8 SATA interfaces, and ONVIF protocol