Dahua XVR1B16H Digital Video Recorder comes with 16 Channel Penta-brid 4M-N/1080P Cooper 1U, H.265+/H.265 dual-stream video compression. It can supports Max 24 channels IP camera inputs, each channel up to 6MP; Max 96Mbps incoming bandwidth, HDCVI/AHD/TVI/CVBS/IP video inputs, 1 SATA HDD, up to 6TB. This digital video recorder has, Long transmission distance over coax cable, Smart Search and Intelligent Video System. The Video and Audio features of this Digital Video Recorder is 16 Channel BNC Analog Camera Input. The Video and Audio features of this Digital Voice recorder is Analog Camera Input- 16 Channel, BNC, HDCVI Camera- 5MP, 4MP, 1080P@25/30fps, 720P@50/60fps, 720P@25/30fps, AHD Camera- 5MP, 4MP, 1080P@25/30, 720P@25/30fps, TVI Camera- 5MP, 4MP, 1080P@25/30, 720P@25/30fps, CVBS Camera- PAL/NTSC, IP Camera Input- 16+8CH, each channel up to 6MP, Audio In/Out- 1/1, RCA, Two-way Talk- Reuse audio in/out, RCA. The recordeing features of this XVR is Video Compression- H.265+/H.265/H.264+/H.264, Resolution- 5M-N, 4M-N, 1080P, 1080N, 720P, 960H, D1, CIF, Record Rate- Main Stream: the 1st & 2nd channels 5M-N(1~10fps); other channels 4M-N/1080P(1~15fps); 1080N/720P/960H/, D1/CIF (1~25/30fps), Sub stream:CIF/QCIF (1~15fps), Video Bit Rate- 32Kbps ~ 6144Kbps Per Channel, Record Mode- Manual, Schedule (General, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop, Record Interval- 1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec, Audio Compression- AAC(only for the 1st channel), G.711A, G.711U, PCM, Audio Sample Rate- 8KHz, 16 bit Per ChannelAudio Bit Rate- 64Kbps Per Channel. It is also has Trigger Events- Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips with Video Detection- Motion Detection, MD Zones: 396 (22 × 18), Video Loss, Tampering and Diagnosis. This Digital Video Recorder comes with 1 SATA Port, up to 6TB capacity Internal HDD, 1 USB 2.0 , 1 USB 3.0, DC12V/2A Power Supply with <10W Power Consumption (Without HDD). This is also third party supports Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and more. The XVR1B16H Digital Video Recorder has 01 year of warranty.