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Milesight MS-C4461-EPB4MP
Bullet Camera with 3.9MP (2592×1520) resolution, 54.5° field of view, and 100m IR night vision range.
SPECIFICATIONS · MS-C4461-EPB4MP
Specifications
Verified specifications sourced from the official manufacturer datasheet.
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About the Milesight MS-C4461-EPB4MP
The Milesight MS-C4461-EPB4MP is a weather-sealed bullet housing optimized for perimeter, parking, and exterior building installations. 4MP sits in the sweet spot for installations where storage is a concern but you still want crisper retroactive zooming during incident review. An IR reach above 80 m is unusual for the format and is intended for highway monitoring, large industrial sites, and airport perimeters where conventional cameras would simply lose the target after dark. A standard 50-80° horizontal FOV mimics how a person sees a scene and works well for general-purpose monitoring of rooms, parking spaces, and perimeter walls without distortion.
Best use cases for this camera
Outdoor perimeter & fenceline
With 100m IR reach and 3.9MP (2592×1520) resolution, this camera covers fences, yards, and approach roads in complete darkness. Mount on poles or eaves at 4-6 m height angled slightly downward.
Strengths
- •100m IR range eliminates the need for external night-time illuminators
Considerations
- •No notable limitations for the intended class of installations
Coverage at Different Distances
| Distance | Coverage Width | Coverage Area | Use Case |
|---|---|---|---|
| 5m | 5.2m | 26 m² | Entrance, corridor |
| 10m | 10.3m | 103 m² | Room, retail aisle |
| 15m | 15.5m | 232 m² | Warehouse, parking row |
| 20m | 20.6m | 412 m² | Parking row, courtyard |
| 30m | 30.9m | 927 m² | Parking lot, yard |
| 50m | 51.5m | 2575 m² | Perimeter, large area |
Field of View Visualization
Night Vision Performance
Daytime
Full 3.9MP (2592×1520) resolution at 54.5° field of view. Effective identification range up to 10m in good lighting conditions.
Nighttime (IR)
Built-in IR LEDs illuminate up to 100m in complete darkness. Switches to B/W mode for clear night footage.
Installation tips for the MS-C4461-EPB4MP
Avoid mounting under direct ceiling lights or behind glass: both reflect IR back into the lens and create severe glare in the image.
Coverage geometry & DORI distances
At a 5-metre standoff the Milesight MS-C4461-EPB4MP covers about 5.2 m of scene width; at 10 m that grows to 10.3 m, and at 20 m to 20.6 m. Translating those numbers through EN 62676-4 pixel-density thresholds, the camera can detect a person up to 101 m, observe up to 40 m, recognise up to 20 m, and produce Identify-level detail (250 px/m in the EN 62676-4 DORI scale) up to 10 m. Effective range above the identify threshold relies on supplementary lighting or a longer-focal-length optic; the geometry above assumes the fixed lens declared by the manufacturer.
Power & cabling
The Milesight MS-C4461-EPB4MP draws an estimated 12.0 W under typical load (with the IR illuminator engaged where applicable), placing it in the 802.3af (Class 3, ≤15.4 W) budget. A single switch port supplies enough power without an injector. Cabling: stick to Cat6 STP for runs up to 100 m end-to-end; beyond that, add an inline PoE extender or move to fibre with a media converter at the camera end. On outdoor runs, route through ø25 PVC or PE conduit to keep the cable shielded from UV and rodents.
Privacy & legal (GDPR / RODO)
Any camera operating in a publicly accessible area falls under GDPR (RODO in Poland). Art. 13 obliges the data controller to post an information sign at every entry point with controller name, DPO contact, lawful basis (typically Art. 6(1)(f) legitimate interest for property protection), purpose, and retention period. Even a narrowly-aimed bullet camera can incidentally record passers-by, so the Art. 13 sign at the entry point applies regardless of how tightly the lens is framed.
Installer time & cost (rough estimate)
A typical EU installer quotes 3-4 h of labour per bullet camera of this class (approximately €135-€185 excluding hardware), broken down as bracket mounting, cable termination at both ends, on-site commissioning, and a brief operator handover. Allow extra time for high mounts (>4 m), exterior installations requiring scaffolding, or sites where cable routing demands wall penetrations or conduit work.
Indicative EU pricing at 2024-2025 rates; actual quotes vary by region, mounting height, and site conditions. Excludes hardware, transport, permits, and VAT.
Frequently asked questions
Is the Milesight MS-C4461-EPB4MP suitable for outdoor installation?
Yes for the IP66/IP67-rated variant of this model. Bullet and dome bodies in the Milesight range survive direct rain, snow and UV; check the IP / IK rating against your environment (IP66 for rain/dust, IK10 for vandal-prone locations).
What PoE class powers the Milesight MS-C4461-EPB4MP?
The camera draws roughly 12.0 W in steady-state operation, requiring an 802.3af (Class 3, ≤15.4 W) switch port. A single Cat6 STP cable carries both data and power up to 100 m; beyond that, add an inline extender or convert to fibre near the camera.
How much storage does the Milesight MS-C4461-EPB4MP consume per day?
At 3.9MP (2592×1520) resolution, 15 fps H.265 continuous recording, the MS-C4461-EPB4MP produces approximately 16 GB per day, about 480 GB per month. Motion-only or event-triggered recording typically cuts that by 40-70 % depending on scene activity. Plan NVR HDD capacity for the longest retention period required by your privacy policy or insurance contract.
Up to what distance can the Milesight MS-C4461-EPB4MP identify a person?
By the DORI thresholds of EN 62676-4 (Identify at 250 px/m on the target, a density the 2025 edition calls Characterise), this camera reaches Identify level up to about 10 m, recognises a person up to 20 m, observes general activity up to 40 m, and detects motion up to 101 m. Identification distance assumes daylight or full IR illumination on the target; at the limits of the IR cone the effective identify distance shrinks roughly 30 %.
What network bandwidth does Milesight MS-C4461-EPB4MP use?
Typical ingest is 6 Mbps for the main stream (H.265, medium scene complexity, 15 fps) plus ~0.5 Mbps for a low-resolution sub-stream used by mobile clients. For a 16-camera installation of this class, plan a 50-100 Mbps NVR uplink and a dedicated VLAN for camera traffic.
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