PTZ Cameras › IPC6424SR-X25-VF
Uniview (UNV) · PTZ CameraLightHunter · PTZ Dome
4MP 25× LightHunter PTZ Dome · Smart IR 100 m
IPC6424SR-X25-VF
A 4MP PTZ dome camera with 25× optical zoom (4.8–120 mm) that locks onto and tracks people and vehicles automatically — LightHunter low-light imaging and Smart IR to 100 m keep it working after dark, in an IP67/IK10 housing rated -40 °C to 70 °C.
2688×1520 · main stream @30fps4.8–120 mm · 25× optical / 16× digitalAuto-Track · human / non-motor / vehicleLightHunter · ultra-low-light imagingIP67 · IK10 · vandal-proof housingPoE+ · or DC 12 V, max. 21 W
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The IPC6424SR-X25-VF is a 4MP 25× optical-zoom LightHunter PTZ dome camera built around a 1/2.8-inch CMOS sensor delivering 2688×1520 at up to 30 fps, with a 4.8–120 mm motorized lens (16× digital zoom on top of the optical range). Auto tracking classifies human, non-motor vehicle and vehicle targets, smart intrusion prevention covers cross-line / intrusion / area enter-leave with false-alarm filtering by classification, and people counting reports flow and crowd density. LightHunter low-light processing plus Smart IR up to 100 m keep images usable after dark; the housing is IP67 and IK10 rated for -40 °C to 70 °C operation, powered by DC 12 V or PoE+ (IEEE 802.3at).
Is this the right camera for you?
Plain-language guide for buyers and installers — based only on what this camera actually does.
City road checkpoints25× optical zoom (4.8–120 mm) reaches deep into an intersection while auto tracking classifies human, non-motor vehicle and vehicle targets — built for reading plate and lane detail from a checkpoint pole.
Transportation hubs & interchangesSmart intrusion prevention (cross line, intrusion, enter/leave area) with false-alarm filtering by classification covers ramps and platform edges, while people counting reports flow and crowd density across a busy hub.
Mixed traffic at intersectionsTarget-classification filtering separates cars, non-motor vehicles and pedestrians so alarms stay meaningful in dense mixed traffic; the 0.1–200°/s tilt and 0.1–288°/s pan give the operator fast manual pursuit when needed.
Night patrol on expressways & ring roadsLightHunter low-light processing plus Smart IR up to 100 m keep the scene visible after dark, and heatwave reduction stops summer road heat from smearing long-zoom footage on straight expressway stretches.
Crowd flow at transit stationsPeople counting reports flow statistics and crowd-density monitoring suited to different statistical scenarios — useful for gate queues and platform crowding without a dedicated people-counting camera.
Harsh outdoor pole mountsIP67 sealing, IK10 vandal resistance, -40 °C to 70 °C operation and 6 kV surge protection let it sit on an exposed road-side or overpass pole through heat, cold and storms.
Not the right pick if you need…
- No built-in mic or speaker and no Wi-Fi (all N/A per datasheet) — audio and wireless connectivity need an external device or a different model.
- No on-device face-recognition library — auto tracking classifies human / non-motor / vehicle targets but does not match faces against a watch list; a panoramic-linkage model is the pick for face-DB requirements.
- Network port is 10 M/100 M Base-TX, not Gigabit — plan bandwidth accordingly if you run high-bitrate triple streams to a distant NVR.
- Illuminator is Smart IR only (850 nm, up to 100 m) — there is no warm-light option on this model; for full-color night capture at range, a dual-light PTZ is the better fit.
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Key Features
Complete list from the official datasheet.
High quality image with 4 MP, 1/2.8" CMOS sensor
2688 × 1520 @30 fps in the main stream
Ultra 265, H.265, H.264, MJPEG
Triple streams
25X optical zoom
Smart intrusion prevention, supports false alarm filtering, including cross line, intrusion, enter area, leave area detection
Automatic selection of best snapshots, supports face detection masked area (as stated in manufacturer datasheet)
People counting, supports people flow counting and crowd density monitoring, suitable for different statistical scenarios
LightHunter technology ensures ultra-high image quality in low illumination environment
Smart IR, up to 100 m (328 ft) IR distance
DC 12 V±25%, PoE+ (IEEE 802.3at)
Alarm I/O: 2/1, audio I/O: 1/1
IP67 ingress protection
IK10 vandal resistant
Two Standout Capabilities: 25× Zoom + Smart IR Tracking
What this single-lens PTZ actually does, from the official datasheet.
OPTICAL ZOOM
25× optical zoom (4.8–120 mm) plus 16× digital zoom reaches deep into a scene for plate- and face-level detail at distance
SMART IR + TRACKING
100 m Smart IR paired with auto tracking (human / non-motor / vehicle classification) keeps subjects lit and locked after dark
How far can it see? (DORI — EN 62676-4)
DORI (EN 62676-4) is the industry standard for what a camera can do at distance. Values shown are at full 25× telephoto (4.8–120 mm lens); the full-manual DORI range for the whole zoom is in the spec table below.
Detectsomething is there
2475 m8120.1 ft
Observewhat is happening
990 m3248.0 ft
Recognizesomeone you know
495 m1624.0 ft
Identifybeyond doubt
247.5 m812.0 ft
How wide a view at each distance
Scene width covered at typical mounting distances — the number you need to work out how many cameras a wall, yard or aisle takes.
| Distance | 52.2° wide | 2.7° tele |
|---|---|---|
| 5 m16 ft | 4.9 m16.1 ft | 0.2 m0.8 ft |
| 10 m33 ft | 9.8 m32.1 ft | 0.5 m1.6 ft |
| 15 m49 ft | 14.7 m48.2 ft | 0.7 m2.4 ft |
| 20 m66 ft | 19.6 m64.3 ft | 1.0 m3.1 ft |
| 30 m98 ft | 29.4 m96.4 ft | 1.4 m4.7 ft |
Calculated from the horizontal field of view in the specifications below: width = 2 × distance × tan(FOV ÷ 2). Lens distortion and mounting angle are not included.
Who uses it, where it goes and how to install it
Written for the IPC6424SR-X25-VF from its own datasheet: 4 MP (2688×1520), 25x optical zoom (4.8–120 mm), auto-tracking of people and vehicles, 100 m Smart IR, IP67 and IK10, PoE+ (max. 21 W).
Who it is for
- Roads, intersections and expressways — 4 MP detail at long zoom, target classification for mixed traffic, and heatwave reduction that limits the shimmer of hot asphalt in long-range shots.
- Factories, yards and perimeters — Smart intrusion prevention raises the alarm and auto-tracking then follows the person or vehicle; at 120 mm a person is identifiable up to 247.5 m in good light.
- Stations, plazas and plant gates — People counting with crowd-density monitoring, plus audio I/O 1/1 to an external speaker and alarm I/O 2/1 to trigger barriers or strobes.
- Exposed or vandal-prone poles — IP67 and IK10 housing, -40 °C to 70 °C working range and 6 kV surge protection, for sites that are hard to reach for service.
Where and how to install
- Height and view — Mount high, typically 4–6 m or on a building corner, with nothing close in front of the dome. Tilt runs -15° to 90° with auto flip, so it can look straight down and also slightly above the horizon toward a distant road or fence.
- A rigid mount for 25x zoom — The camera weighs 3.05 kg and at 120 mm the view is only 2.74° wide, so the slightest sway shows as shaking. Use a short, stiff wall bracket (TR-WE45-IN) or a pole bracket (TR-UP08-A-IN or the aluminium TR-UP08-B-IN) on a thick, guyed pole; the long arm TR-WE45-A-IN shakes more at full zoom.
- Other mounts and the junction box — Corner: TR-UC08-A-IN or aluminium TR-UC08-B-IN. Ceiling: TR-CE45-IN, TR-UF45-A-IN, or pendant poles TR-SE45-IN (200) and TR-SE45-A-IN (500). Gooseneck: TR-WE45-B-IN. Put the cable joints in the TR-JB12-IN dome junction box.
- Power and cable — Use a PoE+ (IEEE 802.3at) port or a 12 V DC 3 A supply; maximum draw is 21 W, more than an 802.3af port (15.4 W) can give. Keep copper runs within 100 m; for longer distances use fibre to a switch near the pole.
- Lightning and earthing — Built-in surge protection is 6 kV. On a metal pole or a rooftop, add a surge protector on the network cable at both ends and bond the pole to earth; tall PTZ poles are the most common lightning victims on a site.
- Keep the IR path clear — The 850 nm IR reflects off eaves, walls, branches or dirt on the dome and washes out the night image. Keep the dome clear of the wall, trim trees in the IR path and check every preset at night.
Wide or zoomed in: what you actually see
At 4.8 mm the IPC6424SR-X25-VF gives an overview about 9.8 m wide at 10 m. At 120 mm the view is about 2.4 m wide at 50 m and 4.8 m at 100 m, which puts roughly 1124 pixels on each metre of the scene at 50 m (2688 ÷ 2.4): one person or one vehicle fills the frame. DORI distances beyond 100 m need daylight or a lit scene, because the IR reaches 100 m.
| Wide · 4.8 mm | Tele · 120 mm | |
|---|---|---|
| Horizontal view angle | 52.20° | 2.74° |
| Width covered at 10 m | 9.8 m | 0.5 m |
| Width covered at 50 m | 49.0 m | 2.4 m |
| Width covered at 100 m | 98.0 m | 4.8 m |
| Identify a stranger's face up to | 11.9 m | 247.5 m |
| Recognize someone you know up to | 23.9 m | 495.0 m |
| See what a person is doing up to | 47.7 m | 990.0 m |
| Detect that something is there up to | 119.3 m | 2475.0 m |
| IR night distance | 100 m | 100 m |
- Set the home position near the wide end for situational awareness: at 50 m the 4.8 mm view still covers 49.0 m.
- Save zoomed presets on gates, fence corners and roads: at 120 mm a person is identifiable up to 247.5 m in daylight.
- At night, keep presets that matter within the 100 m IR range or light those areas.
Widths are calculated from the horizontal view angle (width = 2 × distance × tan(angle ÷ 2)); identify/recognize/detect distances are the manufacturer's DORI figures (EN 62676-4) from the datasheet.
Full Specifications
Complete official specifications from the manufacturer's datasheet (technical values in English).
Camera
| Sensor | 1/2.8" CMOS |
| Min. Illumination | Color: 0.003 Lux (F1.5, AGC ON), 0 Lux with IR |
| Day/Night | IR-cut filter with auto switch (ICR) |
| Shutter | Auto/Manual, 1 ~ 1/100000s |
| WDR | 120 dB |
| S/N | > 56 dB |
Lens & Field of View
| Focal Length | 4.8 to 120 mm |
| Optical Zoom | 25X |
| Digital Zoom | 16X |
| Iris | F1.5 to F3.8 |
| Field of View (H) | 52.20° to 2.74° |
| Field of View (V) | 30.81° to 1.54° |
| Field of View (D) | 64.20° to 3.23° |
DORI
| DORI Distance (Lens) | 4.8 to 120 mm |
| DORI Distance (Detect) | 119.3 m to 2475.0 m (391.2 ft. to 8120.1 ft.) |
| DORI Distance (Observe) | 47.7 m to 990.0 m (156.5 ft. to 3248.0 ft.) |
| DORI Distance (Recognize) | 23.9 m to 495.0 m (78.2 ft. to 1624.0 ft.) |
| DORI Distance (Identify) | 11.9 m to 247.5 m (39.1 ft. to 812.0 ft.) |
Illuminator
| IR On/Off Control | Auto/Manual |
| Wavelength | 850 nm |
| Illumination Distance (IR) | 100 m (328.1 ft.) |
Video
| Privacy Mask | 24 areas, up to 4 areas per scene |
| Video Compression | Ultra 265, H.265, H.264, MJPEG |
| Frame Rate | Main Stream: 4 MP (2688 × 1520), max. 30 fps · Sub Stream: 1080P (1920 × 1080), max. 30 fps · Third Stream: D1 (720 × 576), max. 30 fps |
| Video Bit Rate | 128 Kbps to 16 Mbps |
| U-code | Support |
| ROI | Support |
| Video Stream | Triple streams |
| OSD | Up to 10 OSDs |
Intelligent
| Auto Tracking | Support, target filtering: human, non-motor vehicle and vehicle |
| Smart Intrusion Prevention | Cross line detection, intrusion detection, enter area detection, leave area detection (support false alarm filtering and the classification of human, non-motor vehicle and vehicle) |
| People Counting | Support people flow counting and crowd density monitoring |
Image
| White Balance | Auto, Outdoor, Fine tune, Sodium lamp, Locked, Auto2 |
| Digital Noise Reduction | 2D/3D DNR |
| Flip | Normal, Flip vertical, Flip horizontal, 180° |
| HLC | Support |
| BLC | Support |
| Smart IR | Support |
| Defog | Digital defog |
| Heatwave Reduction | Support |
Events
| Basic Detection | Motion detection, Tampering alarm, Audio detection, Object removed, Object Left Behind |
| General Function | Watermark, IP address filtering, Access policy, ARP protection, RTSP authentication, User authentication, Alarm input, Alarm output |
Audio
| Audio Compression | G.711U, G.711A |
| Audio Bitrate | 128 Kbps |
| Two-way Audio | Support |
| Suppression | Support |
| Sampling Rate | 16 kHz |
Storage
| Edge Storage | MicroSD, up to 512 GB |
| Network Storage | ANR, NAS (NFS) |
Network
| Protocols | SSH, IGMP, RTP, RTCP, SMTP, IPv4, IPv6, ICMP, ARP, TCP, UDP, DHCP, PPPoE, RTSP, RTMP, DNS, DDNS, NTP, FTP, UPnP, HTTP, HTTPS, 802.1x, SNMP, QoS, SSL/TLS |
| Compatible Integration | ONVIF (Profile S, Profile G, Profile T, Profile M), API, SDK |
| User/Host | Up to 32 users. 3 user levels: administrator, common user and operator |
| Security | TLS 1.3, Password Protection, Strong Password, HTTPS Encryption, Export Operation Logs, Basic and Digest Authentication for RTSP, Digest Authentication for HTTP, TLS 1.2, WSSE and Digest Authentication for ONVIF |
| Client | EZStation, UNV-Link, UNV-Link Pro |
| Web Browser | Plug-in required live view: IE 10+, Chrome 45+, Firefox 52+, Edge 79+ |
PTZ
| Number of Presets | 1024 |
| Preset Patrol | 16 patrols, up to 64 presets for each patrol |
| Route Patrol | 16 patrols, up to 32 actions for each patrol |
| Recorded Patrol | 16 patrols, up to 128 actions for each patrol |
| Patrol Stay Time | 15 s to 1800 s |
| Preset Image Freeze | Support |
| Home Position | Support |
| Pan Range | 360° (endless) |
| Tilt Range | -15° to 90° (auto flip) |
| Pan Speed | 0.1°/s to 200°/s |
| Tilt Speed | 0.1°/s to 120°/s |
Interface
| Audio I/O | 1 Input: impedance 1 kΩ, amplitude 2.5 V [p-p], 1 Output: impedance 600 Ω, amplitude 2.5 V [p-p] |
| Alarm I/O | 2/1 |
| Serial Port | 1 × RS485 |
| Built-in Mic | N/A |
| Built-in Speaker | N/A |
| WIFI | N/A |
| Network | 1 × RJ45 10 M/100 M Base-TX Ethernet |
| Video Output | 1 BNC (for debugging) |
Certification
| EMC | CE-EMC (EN 55032: 2015+A1:2020, EN 61000-3-3: 2013+A1: 2019, EN IEC 61000-3-2: 2019+A1: 2021, EN 55035: 2017+A11:2020) · FCC (FCC CFR 47 part15 B, ANSI C63.4-2014) |
| Safety | CE LVD (EN 62368-1:2014+A11:2017) · UL (UL 62368-1, 2nd Ed., Issue Date: 2014-12-01) |
| Environment | CE-ROHS (2011/65/EU; (EU)2015/863) |
| Protection | IP67 (IEC 60529:1989+AMD1:1999+AMD2:2013) · IK10 (IEC 62262:2002) |
General
| Surge Protection | 6 KV |
| Reset Button | Support |
| Configurable P/N | Support |
Dimensions
Engineering drawing reproduced 1:1 from the official datasheet.
unit: mm (in.)
| Dimensions | Φ162 mm × 293 mm (Φ6.4" × 11.5") (Φ × H) |
| Weight | 3.05 kg (6.72 lb.) |
| Power | DC 12 V (±25%, 3 A), PoE+ (IEEE 802.3at) · max. 21 W |
| Working Environment | -40 °C to 70 °C (-40 °F to 158 °F), ≤95% RH non-condensing |
| Protection | IP67 (IEC 60529) · IK10 (IEC 62262) · 6 kV surge |
| Power Interface | Ø5.5 mm coaxial power plug |
Optional Mounting Accessories
Order together with the camera to save shipping.
TR-UF45-A-INDome indoor ceiling mounting pedestal
TR-SE45-A-INDome ceiling mounting pole 500
TR-SE45-INDome ceiling mounting pole 200
TR-CE45-INDome indoor ceiling mounting bracket
TR-WE45-INDome wall mounting bracket
TR-WE45-A-INLong wall mounting bracket for dome
TR-WE45-B-INDome gooseneck bracket
TR-JB12-INDome junction box
TR-UP08-A-INDome pole mounting bracket
TR-UP08-B-INAluminium alloy pole mounting bracket
TR-UC08-A-INDome corner mounting bracket
TR-UC08-B-INAluminium alloy corner mounting bracket
4MP 25x PTZ Camera FAQ — IPC6424SR-X25-VF
What range does the IPC6424SR-X25-VF cover with 25x zoom?
The 4.8–120 mm lens (25x optical, 16x digital, F1.5–F3.8) posts DORI figures of detect up to 2475 m, observe up to 990 m, recognize up to 495 m and identify up to 247.5 m at the tele end. That is genuine long-range coverage for perimeters, farms and industrial estates.
How far does the IR reach at night?
The 850 nm illuminator reaches 100 m (328 ft), with Smart IR exposure control so close targets are not overexposed. Before switching to IR, LightHunter color imaging holds to 0.003 lux (F1.5, AGC on), and 120 dB WDR plus digital defog and heatwave reduction keep the picture clean.
Can it track vehicles as well as people?
Yes. Auto tracking filters for humans, non-motor vehicles and vehicles, so it follows a person, motorbike or car through the scene. Smart intrusion prevention adds cross-line, intrusion, enter-area and leave-area detection with false-alarm filtering, plus people flow counting and crowd density monitoring.
How do I power and mount it?
The listing specifies PoE+, so one Cat5e/Cat6 run from a PoE+ switch carries power and video to the pole — no separate mains feed needed at the camera. The IP67/IK10 housing, per the listing, is built for dusty, wet and rough outdoor locations.
What video quality does it record?
The main stream is 4 MP (2688×1520) at up to 30 fps, with a 1080p sub stream and a D1 third stream. Bit rate is adjustable from 128 Kbps to 16 Mbps using Ultra 265, H.265, H.264 or MJPEG, and two-way audio via G.711 lets an operator speak through the camera.
How do I stop the IPC6424SR-X25-VF auto-tracking from chasing trees, shadows or the wrong target?
Turn on target filtering so it only follows the classes you care about (human, non-motor vehicle or vehicle), and start tracking from smart intrusion or cross line rules drawn only over the area that matters, not over a busy road or moving trees. It follows one target at a time and leaves its preset while doing so, so set a home position it returns to afterwards, and keep a fixed camera on the main entrance. A rigid mount also helps, because a swaying pole makes the scene itself look like it is moving.
IPC6424SR-X25-VF or the 2 MP IPC6422SR-X25-VF-B: what is the difference?
Same size housing, 25x zoom, 100 m IR, IP67/IK10, audio and alarm ports and 21 W maximum power. The IPC6424SR-X25-VF has 4 MP (2688×1520) at 30 fps, identifies a person up to 247.5 m and lists auto-tracking. The IPC6422SR-X25-VF-B has 2 MP at up to 60 fps, identifies up to 194.0 m, has slightly better low-light color (0.001 Lux vs 0.003 Lux) and does not list auto-tracking. Choose the 4 MP for detail and tracking, the 2 MP for fast traffic or lower storage.
How much bandwidth and storage does the IPC6424SR-X25-VF need?
The bit rate is adjustable from 128 Kbps to 16 Mbps. Assuming 8 Mbps continuous recording, one camera writes about 86.4 GB per day, so about 2.6 TB of NVR disk for 30 days, or about 5.9 days on the maximum 512 GB microSD card. Its port is 10/100 Mbps: fine for one camera, but 8 cameras at 16 Mbps add up to 128 Mbps, so use a gigabit uplink from the PoE switch to the NVR. Ultra 265 and event recording reduce both figures.
Will the IPC6424SR-X25-VF work with a Hikvision, Dahua or other third-party NVR?
Usually yes for live view, recording and PTZ control: it supports ONVIF Profile S, G, T and M plus RTSP. Auto-tracking runs inside the camera, so it works whatever the recorder; smart intrusion events reach a third-party system only if it supports them (Profile M helps with VMS software). Rule setup and people-counting statistics are done in the camera web page or on Uniview NVRs and the EZStation, UNV-Link and UNV-Link Pro clients. Tell us your NVR model and we will confirm before you order.
Can the IPC6424SR-X25-VF read license plates at a road checkpoint?
It can show a readable plate when a preset is zoomed onto one lane in daylight: at 120 mm the view is about 2.4 m wide at 50 m, roughly 1124 pixels per metre. But no plate-recognition (LPR/ANPR) function is listed, the camera cannot watch every lane at once, and at night reflective plates often flare under IR. For a checkpoint that must log every plate, use dedicated plate cameras per lane and this PTZ for overview and tracking.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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