The VIS-D1B-16 DVR Universal Port Recorder Is A Hybrid Video Recording Solution Supporting Multiple Camera Formats Including TVI, AHD, CVI, Analog, And IP With Up To Sixteen Analog Channels And Eight Additional IP Channels. It Provides Recording Support For Analog Cameras Up To 5 Megapixel Lite And IP Cameras Up To 8 Megapixel Using H.265 And H.264 Video Compression To Improve Storage Efficiency. Local Monitoring And Playback Are Available Through HDMI And VGA Video Outputs At Up To 1080p Resolution. The Recorder Offers Multiple Playback Modes, Remote Viewing Through Free iOS And Android Apps, And Free Central Management Software For System Control. The Unit Includes A Single SATA Interface For Internal Hard Drive Installation And Is Housed In A Metal Chassis Designed For Continuous Operation In Commercial And Security Environments