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Amcrest IP2M-841B 1080p WiFi Bullet
PTZ Camera with N/A resolution, 90° field of view, and 10m IR night vision range.
SPECIFICATIONS · IP2M-841B 1080P WIFI BULLET
Specifications
Verified specifications sourced from the official manufacturer datasheet.
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About the Amcrest IP2M-841B 1080p WiFi Bullet
The Amcrest IP2M-841B 1080p WiFi Bullet is a motorized PTZ chassis ideal for large open spaces: parking lots, stadiums, airports, and city surveillance. Sub-megapixel resolution is suitable only for general overview footage. It is useful for movement detection but insufficient for facial recognition or license-plate reading. A short-range IR illuminator (≤20 m) handles entrance vestibules, indoor corridors, and small enclosed spaces. Beyond 20 meters the IR fall-off causes faces to lose detail in pure darkness. A wide 80-120° angle covers a large room or open area from a single mounting position, making it ideal for retail floors, conference rooms, and small parking lots.
Best use cases for this camera
Entrance, lobby & vestibule
The 90° field of view captures the entire entrance and surrounding waiting area from a single ceiling mount. Useful for capturing visitors as they enter and leave.
Large area patrol & target tracking
PTZ control enables operator-initiated tracking of suspicious activity, scheduled tours of preset positions overnight, and forensic zoom into recorded footage. Best paired with a wide-angle "overview" camera that triggers the PTZ via analytics.
Strengths
- •90° wide field of view reduces the number of cameras needed per area
- •PTZ control enables operator-driven tracking and pre-set tours
Considerations
- •Short IR range limits night usability to indoor or close-proximity scenarios
- •PTZ cameras only see one direction at a time; pair with a fixed overview camera to avoid blind spots
Coverage at Different Distances
| Distance | Coverage Width | Coverage Area | Use Case |
|---|---|---|---|
| 5m | 10.0m | 50 m² | Entrance, corridor |
| 10m | 20.0m | 200 m² | Room, retail aisle |
| 15m | 30.0m | 450 m² | Warehouse, parking row |
| 20m | 40.0m | 800 m² | Parking row, courtyard |
| 30m | 60.0m | 1800 m² | Parking lot, yard |
| 50m | 100.0m | 5000 m² | Perimeter, large area |
Field of View Visualization
Night Vision Performance
Daytime
Full N/A resolution at 90° field of view. Effective identification range up to 20m in good lighting conditions.
Nighttime (IR)
Built-in IR LEDs illuminate up to 10m in complete darkness. Switches to B/W mode for clear night footage.
Installation tips for the IP2M-841B 1080p WiFi Bullet
Mount above 4 m on a rigid pole or wall bracket. PTZ vibrations are amplified at low mounting heights and degrade image quality during pan operations.
Pair with low-cost ambient lighting (motion-triggered LED floods) to extend usable identification distance beyond the IR limit.
Position so the most important subject (entrance, cash register, gate) is in the center third of the frame, because peripheral pixel density drops with wide angles.
Coverage geometry & DORI distances
At a 5-metre standoff the Amcrest IP2M-841B 1080p WiFi Bullet covers about 10.0 m of scene width; at 10 m that grows to 20.0 m, and at 20 m to 40.0 m. Translating those numbers through EN 62676-4 pixel-density thresholds, the camera can detect a person up to 38 m, observe up to 15 m, recognise up to 8 m, and produce Identify-level detail (250 px/m in the EN 62676-4 DORI scale) up to 4 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 Amcrest IP2M-841B 1080p WiFi Bullet draws an estimated 30.0 W under typical load (with the IR illuminator engaged where applicable), placing it in the 802.3at (Class 4, ≤30 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. The Amcrest IP2M-841B 1080p WiFi Bullet's PTZ pan range can sweep into neighbouring properties or public roads; document allowed pan limits in the installation record and configure privacy masks (see Amcrest's web-UI under "Privacy Mask") for any window or doorway you cannot legally surveil.
Installer time & cost (rough estimate)
A typical EU installer quotes 5-6 h of labour per ptz camera of this class (approximately €225-€275 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 Amcrest IP2M-841B 1080p WiFi Bullet suitable for outdoor installation?
Amcrest PTZ models are generally designed for outdoor use with IP66 ingress rating and -30°C to +60°C operating range. Mount on a rigid pole at ≥ 4 m to dampen wind-driven vibration that would degrade the live image during pan operations.
What PoE class powers the Amcrest IP2M-841B 1080p WiFi Bullet?
The camera draws roughly 30.0 W in steady-state operation, requiring an 802.3at (Class 4, ≤30 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.
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