DAHUA HDW3842EM-S IP Network Camera 8MP / 2.8mm (HDW3842EMSB)

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 [email protected] (30 IRE)
B/W: 0.0005 [email protected] (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