Dahua HDW3841EM-AS IP Network camera 8MP / 2.8mm (HDW3841EMA-B)

Camera

• Image Sensor: 1/2.8" CMOS
• Max. Resolution: 3840 (H) × 2160 (V)
• ROM: 128 MB
• RAM: 1 GB
• Scanning System: Progressive
• Electronic Shutter Speed: Auto/Manual 1/3 s–1/100,000 s
• Min. Illumination:
  • 0.007 lux@F1.4 (Color, 30 IRE)
  • 0.0007 lux@F1.4 (B/W, 30 IRE)
  • 0 lux (Illuminator on)
• S/N Ratio: > 56 dB
• Illumination Distance: 30 m (98.43 ft)
• Illuminator On/Off Control: Auto/Manual
• Illuminator Number: 2 (IR LED)
• Pan/Tilt/Rotation Range:
  • Pan: 0°–360°
  • Tilt: 0°–78°
  • Rotation: 0°–360°

Lens

• Lens Type: Fixed-focal
• Lens Mount: M12
• Focal Length: 2.8 mm
• Max. Aperture: F1.4
• Field of View:
  • 2.8 mm: Horizontal: 107°; Vertical: 56°; Diagonal: 127°
• Iris Control: Fixed
• Close Focus Distance: 2.8 mm: 1.5 m (4.9 ft)

DORI Distance

Intelligence

• IVS (Perimeter Protection): Tripwire, intrusion (supports the classification and accurate detection of vehicles and humans)
• AI SSA: Yes
• Quick Pick: With AI NVR, quickly pick up the human/vehicle targets that users are interested in from SMD events
• Smart Search: Works with Smart NVR to perform refined intelligent search, event extraction, and merging into event videos

Video

• Video Compression: H.265; H.264; H.264H; H.264B; MJPEG (only supported by the sub-stream)
• Smart Codec: Smart H.265+; Smart H.264+
• AI Coding: AI H.265; AI H.264
• Video Frame Rate:
  • Main stream: 3840 × 2160 @ (1–25/30) fps
  • Sub stream 1: 704 × 576 @ (1–25 fps)/704 × 480 @ (1–30 fps)
  • Sub stream 2: 1920 × 1080 @ (1–25/30 fps)
    The values above are the max. frame rates of each stream; for multiple streams, the values will be subjected to the total encoding capacity
• Stream Capability: 3 streams
• Resolution:
  • 8M (3840 × 2160)
  • 6M (3072 × 2048)
  • 5M (3072 × 1728 / 2592 × 1944)
  • 4M (2688 × 1520)
  • 3.6M (2560 × 1440)
  • 3M (2048 × 1536)
  • 3M (2304 × 1296)
  • 1080p (1920 × 1080)
  • 1.3M (1280 × 960)
  • 720p (1280 × 720)
  • D1 (704 × 576 / 704 × 480)
  • CIF (352 × 288 / 352 × 240)
  • VGA (640 × 480)
• Bit Rate Control: CBR/VBR
• Video Bit Rate:
  • H.264: 3 kbps–8192 kbps
  • H.265: 3 kbps–8192 kbps
• Day/Night: Auto (ICR) / Color / B/W
• BLC: Yes
• HLC: Yes
• WDR: 120 dB
• Scene Self-adaptation (SSA): Yes
• White Balance: Auto; natural; street lamp; outdoor; manual; regional custom
• Gain Control: Auto
• Noise Reduction: 3D NR
• Motion Detection: OFF/ON (4 areas, rectangular)
• Region of Interest (RoI): Yes (4 areas)
• Defog: Yes
• AFSA: Yes
• Image Rotation: 0°/90°/180°/270° (support 90°/270° with 2688×1520 resolution and lower)
• Mirror: Yes
• Privacy Masking: 4 areas

Audio

• Built-in MIC: Yes
• Audio Compression: G.711a; G.711Mu; PCM; G.726; G.723

Alarm

• Alarm Event: No SD card; SD card full; SD card error; service life warning (only supported by Dahua card); network disconnection; IP conflict; unauthorized access; motion detection; video tampering; intrusion; tripwire; scene change; audio detection; voltage detection; SMD; security exception

Network

• Network Port: RJ-45 (10/100 Base-T)
• SDK and API: Yes
• Network Protocols: IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA; PPPoE; SNMP
• Cyber Security: Video encryption; firmware encryption; configuration encryption; Digest; WSSE; account lockout; security logs; IP/MAC filtering; generation and importing of X.509 certification; syslog; HTTPS; 802.1x; trusted boot; trusted execution; trusted upgrade
• Interoperability: ONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec
• User/Host: 20 (Total bandwidth: 64 M)
• Storage: FTP; SFTP; Micro SD card (supports up to 256 GB); NAS
• Browser: IE: IE11; Chrome; Firefox
• Management Software: Smart PSS; DSS; DMSS
• Mobile Client: iOS; Android

Certification

• Certifications:
  • CE-LVD: EN62368-1
  • CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
  • FCC: 47 CFR FCC Part 15, Subpart B
  • UL/CUL: UL62368-1 & CAN/CSA C22.2 No. 62368-1-14

Power

• Power Supply: 12 VDC / PoE (802.3af)
• Power Consumption:
  • Basic: 4.3 W (12 VDC); 4.9 W (PoE)
  • Max. (WDR + IR intensity + Intelligence): 7.6 W (12 VDC); 8.9 W (PoE)

Environmental Conditions

• Operating Temperature: –40 °C to +60 °C (–40 °F to 140 °F) / Less than 95% RH
• Storage Temperature: –40 °C to +60 °C (–40 °F to 140 °F)
• Protection Grade: IP67