• H.265+/H.265 dual-stream video compression
• Supports HDCVI/AHD/TVI/CVBS/IP video inputs
• Supports 64 channels of IPC access, each channel up to 12MP input; Max 256Mbps incoming bandwidth
• HDMI1 4K@60fps output
• Up to 8 channel perimeter protection
• Up to 4 channel video stream face recognition
• Up to 24 face pictures /sec processing
• Up to 20 face databases with 100,000 face images in total

Dahua XVR8208A-4K-I 8CH Penta-brid 4K 1U DVR
System
Main Processor	Embedded Processor
Operating System	Embedded LINUX
Perimeter Protection
Performance	8 channel, 10 IVS rules for each channel
Object classification	Human/Vehicle secondary recognition for tripwire and intrusion
AI Search	Search by target classification (Human, Vehicle)
Face Recognition
Performance	Max 24 face pictures /sec processing (modeling and comparing) 4 channel video stream face recognition
Stranger Mode	Detect strangers' faces(not in device's face database).Similarity threshold can be set manually.
AI Search	Up to 8 target face images search at same time, similarity threshold can be set for each target face image.
Database Management	Up to 20 face databases with 100,000 face images in total. Name, gender, birthday, nationality, address, ID information can be added to each face picture.
Database Application	Each database can be applied to video channels independently.
Trigger Events	Buzzer, Voice Prompts, Email, Snapshot, Recording, Alarm Out, PTZ Activation, etc.
Metadata
Face	Gender, age, glasses, beard, mask.
AI Search	Support search target video by metadata.
Video and Audio
Analog Camera Input	8 Channel, BNC
HDCVI Camera	4K, 6MP, 5MP, 4MP, 1080P@25/30fps, 720P@50/60fps, 720P@25/30fps
AHD Camera	5MP, 4MP, 3MP, 1080P@25/30, 720P@25/30fps
TVI Camera	5MP, 4MP, 3MP, 1080P@25/30, 720P@25/30fps
CVBS Camera	PAL/NTSC
IP Camera Input	64 Channel, each channel up to 12MP
Audio In/Out	4/1, RCA
Two-way Talk	Mic in & reuse Audio out for Mic out, RCA
Recording
Compression	H.265+/H.265/H.264+/H.264
Resolution	4K, 6MP, 5MP, 4MP, 3MP, 1080P, 720P, 960H, D1, CIF
Record Rate	Main stream: 4K(1~15fps); 6MP/5MP(1~20fps); 4MP/3MP/1080P/720P/960H/D1/CIF (1~25/30fps)
	Sub steram:960H(1~15fps); D1/CIF(1~25/30fps)
Bit Rate	32Kbps ~ 8192Kbps 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, Postrecord: 10 ~ 300 sec
Display
Interface	2 HDMI, 1 VGA
Resolution	HDMI 1:3840×2160, 2560×1440, 1920×1080, 1280×1024, 1280×720
	HDMI2/VGA: 1920×1080, 1280×1024, 1280×720
Multi-screen Display	When IP extension mode not enabled: 1/4/8/9
	When IP extension mode enabled: 1/4/8/9/16/25/36
OSD	Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Network
Interface	2 RJ-45 Ports (1000M)
Network Function	HTTP, HTTPS, TCP/IP, IPv4/IPv6, Wi-Fi, 3G/4G, SNMP, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, Alarm Server, P2P,IP Search (Supports Dahua IP camera, DVR, NVS, etc.)
Max. User Access	128 users
Smart Phone	iPhone, iPad, Android
Interoperability	ONVIF 16.12, CGI Conformant
Video Detection and Alarm
Trigger Events	Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips
Video Detection	Motion Detection, MD Zones: 396 (22 × 18), Video Loss,Tampering and Diagnosis
Alarm input	16
Relay Output	3
Playback and Backup
Playback	1/4/9/16
Search Mode	Time /Date, Alarm, MD and Exact Search (accurate to second)
Playback Function	Play, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, Digital Zoom
Backup Mode	USB Device/Network
Storage
Internal HDD	2 SATA Ports, up to 10TB capacity for each disk
eSATA	N/A
Auxiliary Interface
USB	3 USB Ports (1 USB 2.0 , 2 USB 3.0)
RS232	1 port, For PC communication & Keyboard
RS485	1 Port, for PTZ Control
Electrical
Power Supply	DC12V/5A
Power Consumption	<20W (Without HDD)
Construction
Dimensions	1U, 375mm×328mm×50mm (14.8" x 12.9" x 2.0")
Net Weight	2.35kg (5.2lb) (without HDD)
Gross Weight	3.2kg (7.05lb)
Installation	Desktop installation
Environmental
Operating Conditions -	-10°C ~ +55°C (+14°F ~ +131°F), 0~ 90% RH
Storage Conditions	-20°C ~ +70°C (-4°F ~ +158°F) , 0~ 90% RH
Third-party Support
Third-party Support	Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell,Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and more
Certifications
Certifications	FCC: Part 15 Subpart B
	CE: CE-LVD: EN 60950-1/IEC 60950-1
	CE-EMC: EN 61000-3-2, EN 61000-3-3, EN 55032, EN 50130, EN 55024
	UL: UL 60950-1