Hikvision DS-2DF8442IXG1-ELWY 4MP 42X DarkFighter IR Network Speed Dome With Wiper (DF8 Series)
The Hikvision DS-2DF8442IXG1-ELWY is a 4 MP DarkFighter PTZ speed dome with a 42x optical zoom and infrared up to 400 m, built for very long-range night surveillance. Deep-learning auto-tracking follows people and vehicles, a wiper clears rain, and 150 dB WDR handles harsh light.
Key points
- 4 MP (2688 x 1520) on a 1/1.8" sensor
- 42x optical zoom (6 to 250 mm) plus 16x digital
- Infrared up to 400 m with Smart IR; 150 dB WDR
- Human and vehicle detection with auto-tracking 3.0
- 360-degree endless pan; 300 presets; gyroscope EIS
- Built-in wiper and heater; IP67 and IK10
- High-power PTZ: Hi-PoE or 36 VDC, not a normal NVR PoE port
inc GST + 3 Year Warranty & Support
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§ 01Overview
What the DS-2DF8442IXG1-EL(W)(Y) is
The Hikvision DS-2DF8442IXG1-ELWY is a 4 MP DarkFighter PTZ speed dome made for the longest-range night surveillance, where you need to see a person or a vehicle hundreds of metres away in the dark.
A 1/1.8" sensor records 2688 x 1520 video, the 42x optical zoom (6 to 250 mm) reaches far down a perimeter or roadway, and a powerful infrared array lights the scene up to 400 m, with Smart IR pulling the light back on close objects so they are not washed out.
The night image under infrared is black and white, as expected for an IR camera; by day, DarkFighter and 150 dB WDR keep colour and detail in harsh light.
Like the rest of this Ultra range, the value is in the smart movement.
On-camera deep learning classifies people and vehicles, so auto-tracking 3.0 locks onto a target and follows it, and the perimeter rules alarm on real targets rather than weather.
A built-in gyroscope steadies the long zoom, and 300 presets with patrol and pattern scans automate a tour of fixed views around the site.
The 360-degree endless pan covers every direction from the mount.
It is built for tough, exposed sites.
A built-in wiper clears rain off the window so the long zoom stays usable in a downpour, a heater and demist handle cold and damp, and the metal housing is rated IP67 against dust and water and IK10 against impact, with NEMA 4X corrosion protection and an operating range down to -40 degrees C.
This is a high-power camera that runs on Hi-PoE or a 36 VDC supply, not a standard NVR PoE port, and records to a network recorder or a microSD card.
Pair it with a high-bandwidth Hikvision NVR.
See it in action
What the DS-2DF8442IXG1-EL(W)(Y) features actually look like
Representative illustrations of how each key feature performs in a real scene.
4MP Ultra HD
Human/Vehicle Detection
IP67 Weatherproof
Illustrative — simulated for demonstration
§ 02Engineering
DS-2DF8442IXG1-EL(W)(Y) specifications
- 42x optical zoom (6 to 250 mm) plus 16x digital zoom
- Infrared up to 400 m with Smart IR; black and white at night
- DarkFighter low-light imaging and 150 dB WDR for harsh light
- Human and vehicle detection with auto-tracking 3.0
- 360-degree endless pan, 300 presets, patrol and pattern scans
- Built-in wiper, heater and demist; gyroscope EIS
- IP67 / IK10 / NEMA 4X body; Hi-PoE or 36 VDC power
§ 03Full datasheet
Detailed specifications
Camera & Image
| Feature | Detail |
|---|---|
| Image Sensor | 1/1.8" progressive scan CMOS |
| Min. Illumination | Color: 0.0003 Lux @ (F1.2, AGC ON), B/W: 0.0001 Lux @ (F1.2, AGC ON), 0 Lux with IR |
| Shutter Speed | 1/1 s to 1/30,000 s |
| Slow Shutter | Yes |
| Day & Night | IR cut filter |
| Zoom | 42x optical, 16x digital |
| Max. Resolution | 2688 × 1520 |
| Image Parameters Switch | Yes |
| Image Settings | Saturation, brightness, contrast, sharpness, gain, and white balance adjustable by client software or web browser |
| Day/Night Switch | Day, night, auto, scheduled-switch |
| Image Enhancement | BLC, HLC, 3D DNR |
| Wide Dynamic Range (WDR) | 150 dB WDR |
| Image Stabilization | Yes. Built-in gyroscope to improve EIS performance. |
| Regional Exposure | Yes |
| Regional Focus | Yes |
| Privacy Mask | Up to 24 masks, polygon region, mosaic mask, mask color configurable |
| SNR | ≥ 52 dB |
| Gyroscope | Yes |
| Satellite Positioning | No |
| Compass | No |
Lens & Distance
| Feature | Detail |
|---|---|
| Focus | Auto, semi-auto, manual, rapid focus |
| Focal Length | 6.0 mm to 250 mm, 42× Optical |
| Zoom Speed | Approx. 4.5 s (optical, wide-tele) |
| 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) |
| Aperture | Max. F1.2 |
| Movement Range (Pan) | 360° |
| Movement Range (Tilt) | -20° to 90° (auto flip) |
| Pan Speed | Pan speed: configurable from 0.1° to 210°/s; preset speed: 280°/s |
| Tilt Speed | Tilt speed: configurable from 0.1° to 150°/s, preset speed 250°/s |
| Proportional Pan | Yes |
| Presets | 300 |
| Patrol Scan | 8 patrols, up to 32 presets for each patrol |
| Pattern Scan | 4 pattern scans, record time over 10 minutes for each scan |
| Power-off Memory | Yes |
| Park Action | Preset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan |
| 3D Positioning | Yes |
| PTZ Status Display | Yes |
| Preset Freezing | Yes |
| Scheduled Task | Preset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan, dome reboot, dome adjust, aux output |
| DORI Distance | Detect 2372.4 m (7783.4 ft.); Observe 941.4 m (3088.5 ft.); Recognize 474.5 m (1556.7 ft.); Identify 237.2 m (778.2 ft.) |
Night Vision
| Feature | Detail |
|---|---|
| Supplement Light Type | IR |
| Supplement Light Range | IR Distance: up to 400 m |
| Smart Supplement Light | Yes |
| Defog | Optical defog |
Video
| Feature | Detail |
|---|---|
| Main Stream | 50 Hz: 50 fps (2688 × 1520, 2560 × 1440), 100 fps (1920 × 1080, 1280 × 960, 1280 × 720); 60 Hz: 60 fps (2688 × 1520, 2560 × 1440), 120 fps (1920 × 1080, 1280 × 960, 1280 × 720) *High frame rate is supported under monitoring mode only. |
| 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 Rate | 32 Kbps to 16384 Kbps |
| H.264 Type | Baseline Profile/Main Profile/High Profile |
| H.265 Type | Main Profile |
| Scalable Video Coding (SVC) | H.264 and H.265 encoding |
| Region of Interest (ROI) | 8 fixed regions for each stream |
| Target Cropping | No |
Audio
| Feature | Detail |
|---|---|
| Audio Compression | G.711alaw, G.711ulaw, G.722.1, G.726, MP2L2, PCM |
| Audio Bit Rate | 64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2) |
| Audio Sampling Rate | MP2L2: 16kHz, 32kHz, 48kHz AAC-LC: 16kHz, 32kHz, 48kHz PCM: 8kHz, 16kHz, 32kHz, 48kHz MP3: 8kHz, 16KHz, 32KHz, 48KHz |
| Environment Noise Filtering | Yes |
AI & Deep Learning
| Feature | Detail |
|---|---|
| Perimeter Protection | Line crossing detection, region entrance detection, intrusion detection, region exiting detection |
| Multi-Target-Type Detection | Supports simultaneous detection and capture of human body, face and vehicle, Gets 7 face features, 14 human body features and 8 vehicle features |
| Face Capture | Detects up to 30 faces simultaneously, Uploads face with background and closed-up face pictures, Supports detecting, tracking, capturing, grading, selecting of face in motion, and outputs the best face picture |
| Face Comparison | Up to 10 face libraries. 30000 faces for each library. 150000 faces in total, Recognizes face identity via face modeling, grading and comparing to those in face library, Supports face library encryption |
| Road Traffic and Vehicle Detection | Smart Function: Support license plate recognition of vehicles and motorcycles (only in checkpoint scenario); Support vehicle attribute detection, including vehicle type, color, brand, driving direction, etc.; Support vehicle and non-vehicle counting; Blocklist and allowlist: up to 10,000 records | LPR Countries/Regions: 4 areas (Europe, Middle East, Asia-Pacific, Africa) and more than 124 countries/regions | Accuracy (Under recommended installation and lighting conditions): License plate recognition rate ≥98%; Capture rate ≥99%; Driving direction accuracy rate ≥98% | Vehicle Capture Speed: Front installation in checkpoint scenario: up to 120 km/h; Side installation: up to 80 km/h | Capture Mode: License Plate and Vehicle Mode, Vehicle Priority Mode |
| Smart Tracking | Manual tracking, auto-tracking 3.0 |
| Object Tracking | Support person arming. When the device detects the armed face or human body in the monitoring scene, it triggers alarms, and tracks and captures the target. During the tracking, the target location and other related information are uploaded. Support vehicle arming. When the device detects the armed vehicles in the monitoring scene, it triggers alarms, and tracks and captures the target. During the tracking, the target location and other related information are uploaded. |
Network & Storage
| Feature | Detail |
|---|---|
| Smooth Streaming | Yes |
| Security | Password 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, WSSE and digest authentication for Open Network Video Interface, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.3, host authentication (MAC address), TPM 2.0 (FIPS 140-2 level 2) |
| Network Storage | NAS (NFS, SMB/ CIFS), ANR |
| Protocols | IPv4/IPv6, HTTP, HTTPS, 802.1x, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, DHCP, PPPoE, UDP, IGMP, ICMP, Bonjour |
| API | ISUP, ISAPI, Hikvision SDK, Open Network Video Interface (Profile S, Profile G, Profile T, Profile M), OTAP |
| Simultaneous Live View | Up to 20 channels |
| User/Host | Up to 32 users. 3 levels: Administrator, Operator and User |
| Client | HikCentral, iVMS-4200, Hik-Connect |
| Web Browser | IE11, Chrome 57.0+, Firefox 52.0+, Safari 11+ |
Event & Alarm
| Feature | Detail |
|---|---|
| Basic Event | Motion detection, video tampering alarm, exception (network disconnected, IP address conflict, illegal login, HDD full, HDD error), alarm input and output, vandal-proof alam, audio exception detection, unattended baggage detection, object removal detection |
| Linkage | Upload to FTP/NAS/memory card, notify surveillance center, send email, trigger recording, and PTZ actions (such as preset, patrol scan, pattern scan) |
Interface
| Feature | Detail |
|---|---|
| Reset | Yes |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| On-board Storage | Built-in memory card slot, support MicroSD/MicroSDHC/MicroSDXC, up to 1 TB |
| Alarm | 7 inputs, 2 outputs |
| Audio | 1 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 Output | 1.0V[p-p]/75Ω, PAL, NTSC, BNC connector |
| RS-485 | HIKVISION, Pelco-P, Pelco-D, self-adaptive |
General & Environment
| Feature | Detail |
|---|---|
| Vandal-proof Alarm | No |
| Heater | Yes |
| Wiper | Yes |
| De-icing | No |
| Demist | Yes |
| General Function | Mirror, password protection, watermark, IP address filter |
| Power | 36 VDC (Max. 40 W, including max. 18 W for IR and max. 6 W for heater), Hi-PoE (Max. 40 W, including max. 18 W for IR and max. 6 W for heater) |
| Operating Condition | Temperature: -40°C to 70°C (-40°F to 158°F), Humidity: ≤ 95% |
| Dimension | ⌀ 266 mm × 410 mm (⌀ 10.47" × 16.14") |
| Weight | Approx. 8 kg (17.64 lb.) |
| Language | 33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian |
| EMC | CE-EMC (EN 55032: 2015, EN 61000-3-2: 2019, EN 61000-3-3: 2013, EN 50130-4: 2011 +A1: 2014); RCM (AS/NZS CISPR 32: 2015); IC VoC (ICES-003: Issue 6, 2019); KC (KN 32: 2015, KN 35: 2015) |
| Safety | CB (IEC 62368-1:2014+A11); CE-LVD (EN 62368-1:2014+A11:2017), BIS (IS 13252(Part 1):2010+A1:2013+A2:2015); LOA (SANS IEC60950-1) |
| Environment | CE-RoHS (2011/65/EU); WEEE (2012/19/EU); Reach (Regulation (EC) No 1907/2006) |
| Anti-Corrosion Protection | NEMA 4X |
| Protection | IP67 Standard, Lightning Protection, Surge Protection and Voltage Transient Protection, ±6kV Line to Gnd, ±3kV Line to Line, IEC61000-4-5, IK10 |
§ 04Why choose this
Built for the way you actually use the DS-2DF8442IXG1-EL(W)(Y)
Tracks targets, ignores weather
Human and vehicle detection drives auto-tracking 3.0 and keeps alarms to real targets, not rain, wind or animals.
Stays clear in the rain
A built-in wiper, heater and demist keep the long zoom usable through downpours and cold, where a fixed lens would blur.
Built for exposed perimeters
IP67, IK10 and NEMA 4X with a gyroscope steady the image and stand up to weather, impact and salt air on open sites.
§ 05Where it fits
Right at home in these scenarios
Long perimeters and borders
Watch a fence line or boundary at night with 400 m infrared and zoom onto anyone who approaches, with auto-tracking following them.
Highways and transport
Cover a roadway or interchange from a high mount and reach far along it to read vehicles and activity after dark.
Ports and large industrial sites
Patrol preset views across a port or plant and lock onto a person or vehicle entering a restricted area at night.
Critical infrastructure
Give a control room long-range night cover of a dam, substation or airport perimeter that fixed cameras cannot reach.
§ 06Setup
Installation & setup
In the box
Camera and mounting hardware with the quick start guide. A wall or pole bracket, Hi-PoE injector or 36VDC supply, microSD card and NVR are bought separately.
Mounting
Fit it high on a solid pole, wall bracket or corner with a clear line down the perimeter, so the 400 m infrared and long zoom are not blocked. A rigid mount keeps the distant view steady.
Power and network
This is a high-power PTZ. A standard NVR PoE port (802.3af/at) does not supply enough power, so use a Hi-PoE injector or a 36 VDC supply at the camera, bought separately, and run the video back to the recorder over the network.
Setup tips
Set preset positions and patrols, enable human and vehicle detection and auto-tracking, and aim the infrared away from nearby walls or fences to avoid glare in the picture.
§ 07Questions
Frequently asked about the DS-2DF8442IXG1-EL(W)(Y)
Q.01
How far does the infrared on the DS-2DF8442IXG1-ELWY reach?
Q.02
Does it track people and vehicles automatically?
Q.03
What is the wiper for?
Q.04
Can I power it from my NVR's PoE port?
Q.05
How far can it identify a person at full zoom?
Q.06
Is the image steady at 42x zoom?
Q.07
What should I record it to?
§ 09Bundles
Recommended packages
Record it on a high-bandwidth NVR
Send it to a Hikvision NVR such as the 16-channel DS-7616NI-M2/16P or, for more cameras, the 32-channel DS-7732NI-M4/24P, and add a large surveillance drive like the 10 TB drive for weeks of footage.
Power it correctly
This is a high-power PTZ. A standard NVR PoE port (802.3af/at) does not supply enough power, so use a Hi-PoE injector or a 36 VDC supply at the camera, bought separately, and run the video back to the recorder over the network.
Pair it with a daytime DarkFighter dome
Run it alongside the no-IR DS-2DF6A436XG1-ELY where you have site lighting and want low-light colour rather than infrared.
