Dahua X-Spans 4+4MP IP PTZ dome with 4G, AOV, WizColor, TiOC and 25x optical zoom

Technical Specifications

• Dahua X-Spans Multi-Sensor IP PTZ Dome Camera
• Wide-angle channel with a 1/1.8" CMOS sensor and 4MP resolution (2560×1440)
• PTZ detail channel with a 1/2.8" CMOS sensor and 4MP resolution (2560×1440)
• Wide-angle channel with a minimum illumination of 0.001 lux@F1.0 in color
• Detail channel with 0.005 lux@F1.6s in color, 0.0005 lux@F1.6s in B/W, and 0 lux with IR on
• Wide-angle channel with warm light up to 30 m
• Detail channel with IR up to 100 m and warm light up to 100 m
• Fixed lens 4 mm F1.0 on the panoramic channel
• Motorized lens 5–125 mm F1.6 on the detail channel
• 25x optical zoom on the detail channel
• Field of view for the panoramic channel: 95° horizontal, 52.5° vertical, and 116° diagonal
• Field of view for the detail channel: 51.9°–3.0° horizontal, 39.7°–2.2° vertical, and 63.1°–3.7° diagonal

Video stream

• Smart H.265+, H.265, Smart H.264+, H.264B, H.264M, H.264H, and MJPEG compression in substream
• 3 streams per channel
• Stream 1 of the panoramic channel: 4MP@1–25/30 fps
• Panoramic channel stream 2: D1/VGA/CIF@1–25/30 fps
• Stream 3 of the panoramic channel: 1080P/1.3MP/720P@1–25/30 fps
• Stream 1 of the detail channel: 4MP@1–25/30 fps
• Stream 2 of the detail channel: D1/VGA/CIF@1–25/30 fps
• Stream 3 of the detail channel: 1080P/1.3MP/720P@1–25/30 fps
• CBR and VBR bitrate control
• H.264 bitrate from 64 Kbps to 10,496 Kbps
• H.265 bitrate from 25 Kbps to 6,400 Kbps

Functionalities

• WizColor technology on the panoramic channel for capturing color images in low-light conditions
• AOV (Always-On Video) mode for continuous, low-power recording and automatic frame rate increase upon event detection
• BLC, HLC, 2D/3D noise reduction, and electronic defogging
• 150 dB WDR on the wide-angle channel and 120 dB on the detail channel
• 16x digital zoom
• Region of Interest (RoI)
• 180° image rotation
• Up to 32 privacy zones, with a maximum of 8 visible simultaneously
• Active TiOC deterrence via audible alarm and red and blue lights

Smart features

• Xinghan large-scale AI models
• Perimeter protection via intrusion, line crossing, and rapid motion detection with classification of vehicles, animals, and people
• Loitering, crowd gathering, parking, and lingering detection
• Facial detection with capture, optimization, face enhancement, and attribute extraction
• Intelligent tracking via linking, relay tracking, and WizTracking
• SMD 4.0
• ANPR for capturing license plates and vehicle attributes
• Automatic patrol following IVS events to monitor predefined points

Positioner

• Continuous rotation from 0° to 360°
• Tilt from -15° to +90° with 180° auto-flip
• Manual pan speed from 0.1°/s to 80°/s
• Manual tilt speed from 0.1°/s to 80°/s
• Preset speed of up to 80°/s for rotation and tilt
• 300 presets
• 8 rounds with up to 32 presets per round
• 5 patterns and 5 scans
• Memory retention after power loss
• Motion while at rest via preset, pattern, round, or scan

Audio

• Dual built-in microphones
• Built-in speaker
• Two-way audio
• 1 LINE IN audio input
• 1 LINE OUT audio output, mutually exclusive with the built-in speaker
• Compression: PCM, G.711A, G.711Mu, G.726, MPEG2-Layer2, G.722.1, G.729, and G.723

Storage

• MicroSD card slot supporting up to 1 TB (card not included)
• Storage via FTP/SFTP and NAS

Alarms

• 2 digital alarm inputs (0–5 V DC)
• 1 alarm output
• Visual alert via red and blue lights with adjustable flash duration from 5 to 180 s
• Adjustable flash frequency: high, medium, or low
• 11 built-in alarm sounds and the ability to import up to 10 custom sounds
• Alarm volume adjustable from 0 to 100
• Configurable alarm repetition from 1 to 10 times

Network

• 10/100 Base-T RJ45 port
• Built-in 4G module compatible with FDD-LTE bands B1/B3/B7/B8/B20/B28 and TDD-LTE bands B38/B40/B41
• 4G CAT4 speeds of up to 150 Mbps download and 50 Mbps upload on FDD-LTE
• Protocols: HTTP, HTTPS, TCP/IP, IPv4, RTSP, UDP, SMTP, NTP, DHCP, DNS, DDNS, IPv6, 802.1x, SSL, QoS, FTP, UPnP, ICMP, SNMP, IGMP, ARP, RTCP, RTP, PPPoE, RTMP, Bonjour, SMB, and NFS
• Compatible with CGI, SDK, and P2P
• Unicast and multicast streaming
• Up to 20 users with a total bandwidth of 64 M
• DMSS and DSS Pro management software
• Mobile client for iOS and Android

Power

• 12 V DC / 4 A power supply with a tolerance of -10% to +25%
• Power consumption of 0.6 W in power-saving mode
• Power consumption of 1.0–2.0 W in AOV mode, depending on AI ISP and lighting status
• Maximum power consumption of 32 W with AI ISP, lighting, heating, PTZ, and 4G streaming active
• Optional power adapter

Environmental

• Operating temperature: -40°C to +65°C
• Operating humidity ≤95%
• IP67 protection
• Basic corrosion protection level
• 6000 V TVS protection against lightning, surges, and voltage transients

Physical Characteristics

• Wall mounting using the included PFB305W bracket
• Dimensions: 181.42 × 159.93 × 301.60 mm
• Net weight: 3.4 kg
• Gross weight: 4.88 kg

Contents

• Dahua X-Spans DAHUA-5551 Multisensor IP PTZ Dome Camera (DH-SDT4E425-4F-MB-AGQ-PV1-0400-EAU-S2)
• PFB305W wall mount

Certifications and Standards

• CE-LVD compliant with EN62368-1
• CE-EMC in accordance with Directive 2014/30/EU
• CE-RED in accordance with Directive 2014/53/EU