m. Сміла, Незалежності, 67г. оф, 406/6
REOLINK P840 (2.7-13.5 MM) - PTZ IP CAMERA WITH OPTICAL ZOOM
Description Reolink P840
Optical zoom instead of digital — a completely different quality of magnification
P840 has genuine optical zoom across a 2.7–13.5 mm focal length range, not just digital zoom that merely enlarges pixels in an already-recorded frame. The optics physically change the lens's focal length, so a zoomed-in subject stays just as sharp as it was in the wide shot — a fundamental difference from digital zoom, which always comes with a loss of detail.
Where this camera is actually used
At 2340 g and 373×177×140 mm, the size and weight directly signal its purpose: this is a camera for large properties where both a close and a very distant area need monitoring from a single mounting point — an industrial perimeter, a large plot of land, a warehouse complex, or a site with a long approach road.
What problem this camera actually solves
On a large property, a single fixed-lens camera either shows a general view with no detail at distance, or zooms into a close area while completely losing the far one. P840 solves this with genuine optical zoom combined with a pan-tilt mechanism: an operator can aim the camera at a distant entry point and zoom in while keeping detail sharp enough to identify a license plate or a face at a range no ordinary lens could reach.
8 MP, with a detection angle from 31° to 100°
An 8 MP resolution combined with a detection angle ranging from 31° (maximum zoom) to 100° (wide shot) gives flexibility no static camera can match. Analytics distinguish a person, a vehicle, and an animal regardless of the current zoom level, and effective illumination up to 60 m — the longest range in the lineup — keeps it working at distance even at night.
PoE, metal build, and IP66 for a serious installation
12 V power over PoE 802.3af (around 12 W), a metal-and-plastic housing, and an IP66 rating confirm this is a camera for a long-term, serious installation, not a temporary fix. MicroSD support up to 256 GB allows a local archive independent of the cloud.
The Reolink app and ecosystem compatibility
Zoom and pan-tilt control, video review, and alerts happen in the Reolink app on Windows, macOS, iOS, and Android, with the option to integrate into a system with a PoE NVR for a centralized archive across several cameras.
Zoom presets for regular patrol routes
An operator can save several combinations of position and zoom level as presets — say, a wide shot of the entrance by day and maximum zoom on a specific stretch of fence at night — and switch between them with one click instead of manually adjusting every time. That effectively turns one camera into several specialized viewpoints.
Who this model is for
P840 is the pick for an owner of a large property who needs one camera covering both a close and a very distant zone with genuine optical detail, rather than the quality loss that comes with digital zoom.
We can advise whether this specific model is justified for the size of your property, or whether a fixed-lens pan-tilt camera would be enough, and what PoE switch bandwidth this video stream actually requires.
Characteristics Reolink P840
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