How far will it actually identify a face?

The 40 metre figure is IR illumination distance, not identification distance. On a 2.8mm lens, identify distance is roughly a fifth of detect distance. Use the DORI figures on the spec table to place it, not the IR range.

Does it need a separate power supply?

No, it is PoE. Budget worst case draw per port on your switch rather than typical, because IR at full output on a cold night is when it peaks.

Uniview

Uniview 4MP Bullet Camera - AIUNV

Part number IPC2124SB-ADF28KM-I0

Quote onlyTrade pricing on request.

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Open to anyone at list price. Trade accounts get negotiated pricing. Ships nationwide from Salt Lake City, to your shop, the job site, or blind to your customer.

Uniview 4MP Bullet Camera (IPC2124SB-ADF28KM-I0)

4MP LightHunter bullet camera with 40m IR, IP67, and a 120dB WDR sensor. Trade only, ships from Salt Lake City.

A fixed bullet for perimeter and approach runs, and the longest IR reach in this group at 40 metres. The bullet form factor is the honest choice where you need visible deterrence and a sunshield, and where nobody is going to reach it to twist it out of aim.

The sensor is a 1/3 inch CMOS with 120dB WDR and LightHunter low light processing, rated to 0.002 lux in colour. In practice that means it holds colour later into dusk than the Easystar tier does, which matters on a car park approach where a monochrome image loses vehicle colour.

Where it fits

Specify it for driveways, yard perimeters, loading approaches and anywhere the camera is above reach and the run is long. For a doorway or a low ceiling indoors, a turret or dome will look less industrial and vandalise less easily.

Specifications

Max Resolution	4 MP
Sensor	1/3.0" CMOS
Min. Illumination	Color: 0.002 Lux (F1.6, AGC ON), 0 Lux with light
WDR	120 dB
Smart IR	Up to 40 m (131.2 ft) IR distance
Protection Rating	IP67

Coverage by distance

Computed for IPC2124SB-ADF28KM-I0 from its own lens and sensor, per EN 62676-4.
Can do	Means	Pixel density	Range
Detect	Tell that a person is present.	25 px/m	44.2m
Observe	Follow what a person is doing.	63 px/m	17.7m
Recognise	Tell whether it is somebody you know.	125 px/m	8.8m
Identify	Establish who a stranger is.	250 px/m	4.4m
Night vision	Illuminator reach. Not a resolution claim past this distance.		40.0m

Common questions

How far will it actually identify a face?: The 40 metre figure is IR illumination distance, not identification distance. On a 2.8mm lens, identify distance is roughly a fifth of detect distance. Use the DORI figures on the spec table to place it, not the IR range.
Does it need a separate power supply?: No, it is PoE. Budget worst case draw per port on your switch rather than typical, because IR at full output on a cold night is when it peaks.