Technical features

• XVR 5 in 1 Dahua
• BNC inputs: 8 channels (HDCVI, AHD, TVI, CVBS autodetectable)
• IP inputs: up to 10 channels (2 native IP + 8 convertible)
• Supported resolution: up to 1080p@25/30 fps
• Video output: HDMI and VGA up to 1080p

Video

• BNC inputs: 8 channels (HDCVI, AHD, TVI, CVBS auto-detectable)
• IP inputs: up to 10 channels (2 native IP + 8 convertible).
• Recording resolution:
  • CVI: 1080P (25/30 fps), 720P (25/30 fps)
  • TVI: 1080P (25/30 ips), 720P (25/30 ips)
  • AHD: 1080P (25/30 fps), 720P (25/30 fps)
• Main encoding capability: Channel 1 at 1080N/720p@25/30ips; rest at 1080N/720p@15ips
• Substream: CIF@1~7ips
• Display: HDMI and VGA (1920×1080, 1280×1024, 1280×720)
• Multi-screen display: up to 9 quadrants in normal mode / up to 16 quadrants in IP mode
• Synchronized playback: 1/4/9 channels
• Video Codecs: AI Coding, Smart H.265+, H.265, Smart H.264+, H.264

Smart Features

• 8 channels with SMD Plus per recorder (human and vehicle filtering)
• 10 SMD channels per camera
• Dual Light intelligent illumination mode
• One channel with irregular black mask

Audio

• 1 RCA input + 8 channels of audio via coaxial
• 1 RCA output
• Audio via coaxial

Storage

• 1 SATA port, up to 16 TB (HDD not included)

Alarms

• General alarms: motion, alarm box, HDCVI alarm, external camera alarm, network, PIR
• Anomaly alarms: disk error, network disconnection, IP/MAC conflict, video loss, tampering
• Alarm link: recording, snapshot, external IPC alarm, audio, buzzer, log, preset, email

Communication interface

• 1 RS-485 port
• 1 front USB port + 1 rear USB port (USB 2.0)
• 1 HDMI port
• 1 VGA port
• Reset button

Network

• RJ-45 10/100 Mbps port
• Protocols: HTTP, HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP, DHCP, DNS, SMTP, UPnP, FTP, DDNS, SNMP, Alarm Server, P2P, IP Search
• Interoperability: ONVIF 24.12 (Profile T, S, G), CGI, SDK
• Compatible with Chrome, IE, Safari, Edge, Firefox browsers

Power supply

• 12 VDC, 1.5 A
• Power consumption: <7 W (without HDD)

Environmental

• Operating temp.: -10 °C ~ +55 °C
• Storage temp.: -20 °C ~ +60 °C
• Humidity: 10%~90% noncondensing

Physical characteristics

• Tabletop installation
• Dimensions: 260.0 × 237.8 × 47.6 mm (1.5 × 237.8 × 47.6 in.)
• Net weight: 0.92 kg
• Gross weight: 1.49 kg

Contents

• Dahua 8-channel 5-in-1 XVR DAHUA-4921 (XVR4108HS-I/T)

Certifications

• CE-LVD: IEC 62368-1:2014
• CE-EMC: EN 61000-3-2-2:2019, EN 61000-3-3-3:2013+A1:2019, EN 55032:2015+A11:2020, EN 55035:2017+A11:2020, EN 55024:2010+A1:2015, EN 50130-4:2011+A1:2014