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SKU	DS-2DF8A442IXS-AEL

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• 1/1.8" Progressive Scan CMOS
• High quality imaging with 4 MP resolution
• Excellent low-light performance with DarkFighter technology
• 42× optical zoom and 16× digital zoom provide close up views over expansive areas
• Expansive night view with up to 500 m IR distance
• Water and dust resistant (IP67) and vandal proof (IK10)
• Supports face capture to detect, capture, grade, and select faces in motion
• Supports road traffic to detect vehicles

• Camera
• Image Sensor1/1.8" progressive scan CMOS
• Min. IlluminationColor: 0.001 Lux @ (F1.2, AGC ON), B/W: 0.0005 Lux @ (F1.2，AGC ON), 0 Lux with IR
• Shutter Speed1/1 s to 1/30,000 s
• Slow ShutterYes
• Day & NightIR cut filter
• Zoom42x optical, 16x digital
• DORI

  Detect (25 px/m): 2965.5 m

  Observe (63 px/m): 1176.8 m

  Recognize (125 px/m): 604.1 m

  Identify (250 px/m): 302.1 m

• Max. Resolution2560 × 1440

• Lens
• FocusAuto, semi-auto, manual, rapid focus
• Focal Length6.0 mm to 252 mm
• Zoom SpeedApprox. 4.5 s
• FOV

  Horizontal field of view: 56.6° to 1.7° (wide-tele),

  Vertical field of view: 33.7° to 0.9° (wide-tele),

  Diagonal field of view: 63.4° to 1.9° (wide-tele)

• ApertureMax. F1.2

• Illuminator
• Supplement Light TypeIR
• Supplement Light Range500 m
• Smart Supplement LightYes

• PTZ
• Movement Range (Pan)360°
• Movement Range (Tilt)-20° to 90° (auto flip)
• Pan SpeedPan speed: configurable from 0.1° to 210°/s; preset speed: 280°/s
• Tilt SpeedTilt speed: configurable from 0.1° to 150°/s, preset speed 250°/s
• Proportional PanYes
• Presets300
• Patrol Scan8 patrols, up to 32 presets for each patrol
• Pattern Scan4 pattern scans, record time over 10 minutes for each scan
• Power-off MemoryYes
• Park ActionPreset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan
• 3D PositioningYes
• PTZ Status DisplayYes
• Preset FreezingYes
• Scheduled TaskPreset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan, dome reboot, dome adjust, aux output

• Video
• Main Stream

  50 Hz: 25 fps (2560 × 1440, 1920 × 1080, 1280 × 960, 1280 × 720)

  60 Hz: 30 fps (2560 × 1440, 1920 × 1080, 1280 × 960, 1280 × 720)

• Sub-Stream

  50 Hz: 25 fps (704 × 576, 640 × 480, 352 × 288)

  60 Hz: 30 fps (704 × 480, 640 × 480, 352 × 240)

• Third Stream

  50 Hz: 25 fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 576, 640 × 480, 352 × 288)

  60 Hz: 30 fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 480, 640 × 480, 352 × 240)

• Video Compression

  Main stream: H.265+/H.265/H.264+/H.264

  Sub-stream: H.265/H.264/MJPEG

  Third stream: H.265/H.264/MJPEG

• Video Bit Rate32 Kbps to 16384 Kbps
• H.264 TypeBaseline Profile/Main Profile/High Profile
• H.265 TypeMain Profile
• Scalable Video Coding (SVC)H.264 and H.265 encoding
• Region of Interest (ROI)8 fixed regions for each stream

• Audio
• Audio CompressionG.711alaw, G.711ulaw, G.722.1, G.726, MP2L2, PCM
• Audio Bit Rate64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)

• Network
• Network StorageNAS (NFS, SMB/ CIFS), ANR
• ProtocolsIPv4/IPv6, HTTP, HTTPS, 802.1x, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, DHCP, PPPoE, UDP, IGMP, ICMP, Bonjour
• APIISUP, ISAPI, Hikvision SDK, Open Network Video Interface (Profile S, Profile G, Profile T)
• Simultaneous Live ViewUp to 20 channels
• User/HostUp to 32 users. 3 levels: Administrator, Operator and User
• SecurityPassword protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.3, host authentication (MAC address)
• ClientHikCentral, iVMS-4200, Hik-Connect
• Web BrowserIE11, Chrome 57.0+, Firefox 52.0+, Safari 11+

• Image
• Image SettingsSaturation, brightness, contrast, sharpness, gain, and white balance adjustable by client software or web browser
• Day/Night SwitchDay, night, auto, scheduled-switch
• Image EnhancementBLC, HLC, 3D DNR
• Wide Dynamic Range (WDR)140 dB WDR
• DefogOptical defog
• Image StabilizationYes. Built-in gyroscope to improve EIS performance.
• Regional ExposureYes
• Regional FocusYes
• Privacy MaskUp to 24 masks, polygon region, mosaic mask, mask color configurable
• SNR≥ 52 dB

• Interface
• Ethernet Interface1 RJ45 10M/100M self-adaptive Ethernet port
• On-board StorageBuilt-in memory card slot, support MicroSD/MicroSDHC/MicroSDXC, up to 256 GB
• Alarm7 inputs, 2 outputs
• Audio1 input (line in), max. input amplitude: 2-2.4 vpp, input impedance: 1 KΩ ± 10%; 1 output (line out), line level, output impedance: 600 Ω
• Video Output1.0V[p-p]/75Ω, PAL, NTSC, BNC connector
• RS-485HIKVISION, Pelco-P, Pelco-D, self-adaptive

• Event
• Basic EventMotion detection, video tampering alarm, alarm input and output, exception
• Smart EventLine crossing detection, region entrance detection, unattended baggage detection, object removal detection, intrusion detection, region exiting detection, vandal-proof alarm, audio exception detection
• Smart TrackingManual tracking, auto-tracking
• Alarm LinkageAlarm actions, such as Preset, Patrol Scan, Pattern Scan, Memory Card Video Record, Trigger Recording, Notify Surveillance Center, Upload to FTP/Memory Card/NAS, Send Email, etc.

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