Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR
The Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR is a 8MP 7-inch Speed Dome IP camera with DarkFighter, 25x optical zoom and 300 m IR night vision. Hikvision model name: 7A Series 8MP 25X DarkFighter IR Network Speed Dome.
Genuine Hikvision product, managed with Hik-Connect, iVMS-4200 and HikCentral. UK stock with same-day dispatch and trade pricing from Netview CCTV Leicester — authorised Hikvision wholesale distributor.
Key Features
- 8MP (3840 × 2160) resolution, 1/1.8" progressive scan CMOS sensor
- 25x optical zoom and 16x digital zoom for close-up views over large areas
- DarkFighter 2.0 ultra-low-light imaging
- 140 dB WDR for clear images against strong backlight
- Rapid focus
- Smart pan-tilt correction keeps presets accurate
- Built-in gyroscope for a stable image
- Water and dust resistant (IP67), vandal proof (IK10) and corrosion resistant (NEMA 4X, optional)
- 360° pan, -20° to 90° tilt; 300 presets, 8 patrols
- MicroSD slot up to 1 TB
- Alarm I/O: 7 inputs, 2 outputs; audio in/out
- H.265+ / H.265 / H.264+ / H.264 compression
- Power: PoE++ (802.3bt) 60 W switch / injector, or 36 VDC PSU
- Managed via Hik-Connect, iVMS-4200 and HikCentral; ONVIF Profile S/G/T
Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR — IP PTZ Camera
8MP 7-inch Speed Dome IP camera with DarkFighter, 25x optical zoom and 300 m IR night vision. Hikvision: 7A Series 8MP 25X DarkFighter IR Network Speed Dome.
Overview
The Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR is a 8MP 7-inch Speed Dome IP camera with DarkFighter, 25x optical zoom and 300 m IR night vision. Its 25x optical zoom (5.9 mm to 147.5 mm) brings distant subjects in for identification while the pan-tilt mechanism (360° pan, -20° to 90° (auto flip) tilt) covers the whole scene from a single mounting point. It sees in colour down to 0.0007 lux and in black-and-white to 0.0001 lux (0 lux with the built-in illuminator). 140 dB wide dynamic range handles scenes with strong backlight. Smart tracking (manual tracking, auto-tracking 3.0) follows a moving target automatically. Managed with Hik-Connect, iVMS-4200 and HikCentral and compatible with Hikvision NVRs and ONVIF systems. Same-day dispatch from Netview CCTV Leicester — authorised Hikvision wholesale distributor — with trade pricing on stocked product.
Key Features
- 8MP (3840 × 2160) resolution, 1/1.8" progressive scan CMOS sensor
- 25x optical zoom and 16x digital zoom for close-up views over large areas
- DarkFighter 2.0 ultra-low-light imaging
- 140 dB WDR for clear images against strong backlight
- Rapid focus
- Smart pan-tilt correction keeps presets accurate
- Built-in gyroscope for a stable image
- Water and dust resistant (IP67), vandal proof (IK10) and corrosion resistant (NEMA 4X, optional)
- 360° pan, -20° to 90° tilt; 300 presets, 8 patrols
- MicroSD slot up to 1 TB
- Alarm I/O: 7 inputs, 2 outputs; audio in/out
- H.265+ / H.265 / H.264+ / H.264 compression
- Power: PoE++ (802.3bt) 60 W switch / injector, or 36 VDC PSU
- Managed via Hik-Connect, iVMS-4200 and HikCentral; ONVIF Profile S/G/T
Typical Applications
- Car parks, forecourts and yards - one PTZ covers what several fixed cameras would
- Perimeters and open sites - long-range zoom for identification
- Operator-monitored sites - joystick / keyboard control and preset patrols
- Night-time surveillance with long-range IR illumination
- Traffic and vehicle monitoring - ANPR / vehicle attribute capture (checkpoint scenes)
- Trade installs needing same-day stock - Netview CCTV Leicester ships Hikvision from UK stock
Compatible Hikvision Devices
- Hikvision NVRs (AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide, VPro, K and M series) and HikCentral
- Hik-Connect app (iOS / Android)
- iVMS-4200 management software
- Hikvision DS-1200KI / DS-1600KI PTZ keyboards for joystick control
- ONVIF-compliant recorders and VMS (Profile S, G, T)
- PoE++ (802.3bt) switches and injectors (60 W) or a 36 VDC PSU
- Hikvision PTZHikvision PTZ Camera Installer Guide 2026 wall, corner, pole and pendant mounts (DS-1602ZJ / DS-1604ZJ / DS-1691ZJ range)
What's in the Box
- 1 × Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR
- 1 × mounting / fixing kit (where applicable)
- 1 × quick start guide
Detailed Specifications — Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR
Specifications as published by Hikvision (19-10-2026). Shipping weight may differ from the unit weight shown.
| Identification | |
|---|---|
| SKU | DS-2DF7A825IXG-ELY |
| MPN | DS-2DF7A825IXG-ELY |
| EAN | 6942160494968 |
| Brand | Hikvision |
| Hikvision product name | 7A Series 8MP 25X DarkFighter IR Network Speed Dome |
| Product Type | IP PTZ Camera |
| Camera | |
| Image Sensor | 1/1.8" progressive scan CMOS |
| Max. Resolution | 3840 × 2160 |
| Min. Illumination | Color: 0.0007 Lux @ (F1.6, AGC ON),B/W: 0.0001 Lux @ (F1.6, AGC ON),0 Lux with IR |
| Shutter Speed | 1/30 s to 1/30,000 s |
| Day & Night | ICR |
| Zoom | 25 × optical,16 × digital |
| Slow Shutter | yes |
| Lens | |
| Focal Length | 5.9 mm to 147.5 mm |
| FOV | Horizontal field of view: 58.8° to 3.1°, vertical field of view: 34.4° to 1.7°, diagonal field of view: 66.0° to 3.5° |
| Focus | Auto,semi-auto,manual,rapid focus |
| Aperture | F1.6 |
| Zoom Speed | Approx. 4.5 s |
| Illuminator | |
| Supplement Light Range | IR distance: up to 300 m |
| PTZ | |
| Movement Range (Pan) | 360° |
| Movement Range (Tilt) | -20° to 90° (auto flip) |
| Pan Speed | Pan speed: configurable from 0.1° to 550°/s, preset speed: 550°/s,Up to MAX 700°/s |
| Tilt Speed | Tilt speed: configurable from 0.1° to 300°/s, preset speed 300°/s,Up to MAX 300°/s |
| Proportional Pan | yes |
| Presets | 300 |
| Preset Freezing | yes |
| Patrol Scan | 8 patrols, up to 32 presets for each patrol |
| Park Action | Preset,patrol scan |
| 3D Positioning | yes |
| PTZ Status Display | yes |
| Scheduled Task | Preset,patrol scan,dome reboot,dome adjust,aux output |
| Power-off Memory | yes |
| Video | |
| Main Stream | 50 Hz: 100 fps (1920 × 1080) 50 fps (3840 × 2160, 3072 × 1728, 2560 × 1440, 1280 × 720) 60 Hz: 120 fps (1920 × 1080) 60 fps (3840 × 2160, 3072 × 1728, 2560 × 1440, 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) | yes |
| Region of Interest (ROI) | fixed region |
| Audio | |
| Audio Compression | G.711,G.722.1,G.726,MP2L2,PCM,AAC-LC |
| Audio Bit Rate | 64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)16 Kbps to 64 Kbps(AAC-LC) |
| Network | |
| Protocols | IPv4/IPv6,HTTP,HTTPS,802.1x,Qos,FTP,SMTP,UPnP,SNMP,DNS,DDNS,NTP,RTSP,RTCP,RTP,TCP/IP,UDP,IGMP,ICMP,DHCP,PPPoE,Bonjour,WebSocket,WebSockets |
| Simultaneous Live View | Up to 20 channels |
| API | ONVIF (Profile S, Profile G, Profile T, Profile M),ISAPI,SDK,ISUP |
| User/Host | Up to 32 users. 3 levels: Administrator, Operator and User |
| 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) |
| Client | iVMS-4200,Hik-Connect,HikCentral Pro |
| Web Browser | IE11, Chrome 57.0+, Firefox 52.0+, Safari 11+ |
| Image | |
| Day/Night Switch | day, night, auto, scheduled-switch |
| Wide Dynamic Range (WDR) | 140 dB WDR |
| SNR | ≥52dB |
| Defog | yes |
| Image Stabilization | EIS (Built-in gyroscope to improve EIS performance) |
| Image Enhancement | BLC, HLC, 3D DNR |
| Privacy Mask | mask color or mosaic configurable,24 programmable polygon privacy masks |
| Regional Focus | yes |
| Regional Exposure | yes |
| Interface | |
| Video Output | CVBS: 1.0 V[p-p]/75 Ω, PAL/NTSC, BNC connector |
| Ethernet Interface | RJ45, self-adaptive 10M/100M Ethernet port |
| 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 |
| Alarm | 7 alarm inputs, 2 alarm outputs |
| RS-485 | HIKVISION, Pelco-P, Pelco-D, self-adaptive |
| On-board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 1 TB. |
| Event | |
| 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) |
| Deep Learning Function | |
| 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 |
| 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 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 |
| Linkage and Tracking | |
| 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. |
| General | |
| Power | 36 VDC± 25%, max. 90 W (Max. 52 W, including max. 6.4 W for IR and max. 8 W for heater) PoE 802.3bt, type4, class8, max. 90W (Max. 52 W, including max. 6.4 W for IR and max. 8 W for heater) |
| Dimension | Ø214.95 mm × 297.1 mm (Ø8.46" × 11.7") |
| Weight | Approx. 5 kg (11.02 lb.) |
| Operating Condition | Temperature: -40°C to 70°C (-40°F to 158°F), Humidity: ≤ 95% |
| General Function | mirror, password protection, watermark, IP address filter |
| 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 |
| Approval | |
| EMC | CE-EMC (EN 55032: 2015, EN 61000-3-2: 2019, EN 61000-3-3: 2013, EN 50130-4: 2011 +A1: 2014),IC VoC (ICES-003: Issue 6, 2019),RCM (AS/NZS CISPR 32: 2015),KC (KN 32: 2015, KN 35: 2015) |
| Safety | CB (IEC 62368-1: 2014 + A11),CE-LVD (EN 62368-1: 2014/A11: 2017),LOA (IEC/EN 60950-1) |
| Environment | CE-RoHS (2011/65/EU); WEEE (2012/19/EU); Reach (Regulation (EC) No 1907/2006) |
| Protection | Lightning Protection, Surge Protection and Voltage Transient Protection,±6kV Line to Gnd, ±3kV Line to Line,IEC61000-4-5, IP67 Standard, IK10 |
| Anti-Corrosion Protection | -Y: NEMA 4X (NEMA 250-2018) |
Frequently Asked Questions
What zoom does the Hikvision DS-2DF7A825IXG-ELY have?
25x optical zoom (5.9 mm to 147.5 mm) plus 16x digital zoom.
What is the night-vision range?
300 m IR.
Does it cope with strong backlight?
Yes — 140 dB wide dynamic range, plus defog.
Does it reduce false alarms?
Yes — deep-learning analytics classify people and vehicles; detects up to 30 faces simultaneously.
Can it track a moving target automatically?
Yes — Manual tracking, auto-tracking 3.0.
How is it powered?
36 VDC± 25%, max. 90 W (Max. 52 W, including max. 6.4 W for IR and max. 8 W for heater) PoE 802.3bt, type4, class8, max. 90W (Max. 52 W, including max. 6.4 W for IR and max. 8 W for heater).
Is it suitable for outdoor use?
Yes — IP67 and IK10 vandal-resistant; operating range Temperature: -40°C to 70°C (-40°F to 158°F), Humidity: ≤ 95%.
Does it record locally?
Yes — Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 1 TB., plus NAS and NVR recording.
What alarm and audio connections does it have?
Alarm: 7 alarm inputs, 2 alarm 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.
Can I control it with a joystick?
Yes — from a Hikvision NVR, iVMS-4200, Hik-Connect or a DS-1200KI / DS-1600KI network keyboard.
Which recorders is it compatible with?
All Hikvision NVRs, and third-party systems via ONVIF (Profile S, G, T).
Documentation — Hikvision DS-2DF7A825IXG-ELY 8MP 25x Zoom DarkFighter 7-inch Speed Dome Camera 300m IR
Official Hikvision documents for this model and related Netview CCTV pages.
| Document | Format | Link |
|---|---|---|
| Hikvision DS-2DF7A825IXG-ELY Data Sheet (official PDF) | Download | |
| Hikvision DS-2DF7A825IXG-ELY product page | Web | View on hikvision.com |
| Hikvision PTZ Camera Installer Guide 2026 | Web | Read the guide |
| Browse all Hikvision IP PTZ Cameras | Web | View IP PTZ Cameras |
| Contact Netview CCTV (trade pricing & support) | Web | Contact our trade team |
Netview CCTV — authorised Hikvision wholesale distributor (Leicester). Trade pricing: 0116 3800 838 or [email protected].