H.265+/H.265 dual-stream video compression; Supports Full-channel AI-Coding; Analog Camera Input: 8 channels, BNC; 8 channels SMD plus, AI search; IP Camera Input: 8+4 channels, each channel up to 6MP; Audio In/Out: 1/1, RCA; Two-way Talk: Reuse audio in/out, RCA; Interface: 1 HDMI; 1 VGA; Playback: 1/4/9; Internal HDD: 1 SATA port, up to 6 TB capacity; Power Supply: DC 12V/2Aen