Name: 8-ch 4K 1HDD Hybrid DVR
Brand: Sunell
SKU: SN-XVR3908E1-J

SN-XVR3908E1-J

8-ch 4K 1HDD Hybrid DVR

Multi-format video inputs (AHD, TVI, CVI, CVBS, and IP)

Up to 12-channel IP camera inputs, up to 1080P per channel

Up to 8MP @ 7 fps recording

8-channel deep learning-based Perimeter Protection

HDMI and VGA simultaneous video output

Audio over coaxial cable

Smart search and playback

Multiple languages

Video & Audio
Analog Video Input	8 × BNC (supports UTC coaxial control)
AHD Input	8MP, 5MP, 4MP, 1080P, 720P
TVI Input	8MP, 5MP, 4MP, 1080P, 720P
CVI Input	8MP, 5MP, 4MP, 1080P, 720P
CVBS Input	PAL / NTSC
IP Video Input	4-ch (up to 12-ch in IP mode), up to 1080P per channel
Audio Input	4 × RCA; up to 8-ch audio over coaxial cable (TVI only)
Audio Output	1 × RCA
Two-way Audio	Supported via RCA and network (half-duplex intercom)
Audio Compression	G.711A / G.711U
Recording
Recording Resolution	8MP, 5MP, 4MP, 1080P, 720P, D1
Recording Frame Rate	8MP @ 7 fps, 5MP @ 12 fps, 4MP @ 15 fps, 1080P @ 25/30 fps
Video Bit Rate	Main stream: 128 Kbps to 6144 Kbps; Sub stream: 16 Kbps to 1024 Kbps
Dual Stream	Supported
Recording Mode	Manual, Scheduled, Event
Perimeter Protection
Intrusion Detection	8-ch, supports selectable target types (human, vehicle, or both)
Event
Event Trigger	Motion Detection, Video Loss, Video Tampering, Alarm Input, Exception
Event Linkage	Recording, Email, Buzzer, PTZ, Alarm Output, Push Notification
Display
Decoding Capability	1-ch @ 4K, 4-ch @ 4MP, 12-ch @ D1
HDMI Output	3840 × 2160, 1920 × 1080, 1280 × 1024, 1024 × 768
VGA Output	1920 × 1080, 1280 × 1024, 1024 × 768
CVBS Output	1 × BNC
Video Output Mode	Simultaneous HDMI, VGA, and CVBS outputs
Display Layouts	1/4/8/9
Playback & Backup
Simultaneous Playback	8-ch / 4-ch / 1-ch
Search Mode	Date/Time, Alarm, Picture, Event
Playback Control	Play, Pause, Fast Forward, Rewind, Slow Playback, Digital Zoom
Backup Mode	USB Device, Network
Network
Network Interface	1 × RJ45, 10/100/1000 Mbps self-adaptive Ethernet port
Protocols	HTTP, HTTPS, TCP/IP, IPv4, IPv6, UDP, RTSP, SMTP, NTP, DNS, DHCP, UPnP, DDNS, P2P, IP Filter, IEEE 802.1X, SNMP
Remote Users	Up to 4 users
Mobile Client	iOS, Android
Interoperability	ONVIF, SDK, CGI
Storage
HDD Interface	1 × SATA interface
HDD Capacity	Up to 8 TB per HDD
Interface
USB Interface	3 × USB 2.0 ports (1 front, 2 rear)
Alarm Input	4
Alarm Output	1
RS-485	1
Reset Button	On-board reset button
General
Power Supply	12 VDC, 2 A
Power Consumption	≤ 10 W (without HDD)
Operating Temperature	-10 °C to 50 °C (14 °F to 122 °F)
Operating Humidity	≤90% RH (Non-condensing)
Certifications	CE-EMC: EN 55032, EN IEC 61000-3-2, EN 61000-3-3, EN 55035 CE-LVD: EN IEC 62368-1 FCC: 47 CFR Part 15, Subpart B
Dimensions	254.5 × 231.9 × 43.9 mm (10.02 × 9.13 × 1.73 inch)
Net Weight	Approx. 0.8 kg (1.76 lb) without HDD

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