720p 16 Channel DVR Main Features. Video/Audio input :16 channel video input, 2 channel audio input. Audio output:1 CH. Video output:1CH HDMI+1CH VGA+1CH CVBS. USB Interface: 3 x USB2.0. Internal Hard drive: 1 SATA Port, Up to 6TB. Recording Modes: Manual/Motion/Schedule/Recycle, Easily find and playback your security footage by searching a specific channel using date ...