Dahua HDW3842EM-S IP Network camera 8MP / 2.8mm

Camera Specifications:

Image Sensor

• Sensor Type: 1/1.8″ CMOS

Max. Resolution

• Resolution: 3840 (H) × 2160 (V)

Storage

• ROM: 128 MB
• RAM: 1 GB

Scanning System

• System Type: Progressive

Electronic Shutter Speed

• Shutter Speed: Auto/Manual 1/3 s – 1/100,000 s

Min. Illumination

• Color: 0.003 lux@F1.6 (30 IRE)
• B/W: 0.0005 lux@F1.6 (30 IRE)
• Illuminator On: 0 lux

S/N Ratio

• S/N Ratio: > 56 dB

Illumination Distance

• Distance: Up to 30 m (98.42 ft)

Illuminator Control

• Control: Auto/Manual

Illuminator Number

• Number of LEDs: 2 (IR LED)

Angle Adjustment

• Pan: 0°–360°
• Tilt: 0°–78°
• Rotation: 0°–360°

Lens Specifications:

Lens Type

• Type: Fixed-focal

Lens Mount

• Mount: M12

Focal Length

• Focal Length: 2.8 mm

Max. Aperture

• Aperture: F1.6

Field of View

• 2.8 mm:
  • Horizontal (H): 111°
  • Vertical (V): 59°
  • Diagonal (D): 131°

Iris Control

• Control: Fixed

Close Focus Distance

• Distance: 1.8 m (5.91 ft)

DORI Distance:

• 2.8 mm Lens:
  • Detect: 84.5 m (277.23 ft)
  • Observe: 34.2 m (112.20 ft)
  • Recognize: 17.1 m (56.10 ft)
  • Identify: 8.5 m (27.89 ft)

Intelligent Features:

• IVS (Perimeter Protection): Tripwire, Intrusion (Supports classification and accurate detection of vehicles and humans)
• AI SSA: Uses deep learning algorithms to adjust image parameters based on conditions
• Quick Pick: Quickly pick human/vehicle targets from SMD events with AI NVR
• Smart Search: Works with Smart NVR for refined intelligent search, event extraction, and video merging

Video Specifications:

• Compression: H.265; H.264; H.264H; H.264B; MJPEG (only for sub-stream)
• Smart Codec: Smart H.265+; Smart H.264+
• AI Codec: AI H.265; AI H.264
• 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)
• 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–16384 kbps; H.265: 3 kbps–16384 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° (supports 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 Events:

• No SD card, SD card full, SD card error, service life warning (only supported by Dahua card), network disconnection, IP conflict, illegal access, motion detection, video tampering, intrusion, tripwire, scene change, audio detection, voltage detection, SMD, safety exception

Network:

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

Certification:

• Certifications:
  • CE-LVD: EN62368-1
  • CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU

Power:

• Power Supply: 12 VDC/PoE (802.3af)
• Power Consumption:
  • Basic: 3.8 W (12 VDC), 4.8 W (PoE)
  • Max (WDR + IR intensity + Intelligence): 7.8 W (12 VDC), 9.1 W (PoE)

Environmental:

• Operating Temperature: –40 °C to +60 °C (–40 °F to +140 °F)
• Operating Humidity: < 95%
• Storage Temperature: –40 °C to +60 °C (–40 °F to +140 °F)
• Storage Humidity: < 95%
• Protection: IP67