Our take
Hikvision’s DS-2CD2312-I with a 4 mm lens is an older turret network camera for IP video monitoring, not a USB webcam. The maker-authored data sheet lists a maximum 1280×960 stream, 25 fps at 50 Hz or 30 fps at 60 Hz, H.264/MJPEG, dual streams, a 10/100 Ethernet port, PoE or 12 VDC, IP66, and EXIR night illumination. A Hikvision bulletin separately labels the 1.3 MP model as 720p, so the resolution wording is not fully consistent. The frozen ASIN is not proven; use an exact-model tagged search.
A legacy IP-camera installation where a technician can verify the DS-2CD2312-I label and 4 mm lens, provide PoE or 12 VDC, and independently validate firmware, viewing software, and network security..
Not for USB calls, a documented 1080p or 4K mode, audio calls, camera-native microphone/speaker features, a modern supported security install without independent firmware/client verification, or a direct link to ASIN B00Q0QK2B0 as an exact package.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The exact camera family and 4 mm lens are model-documented, and its stream modes, frame-rate limits, codecs, network port, and power choices are specified.
- Hikvision documents PoE/12 VDC operation, IP66 construction, day/night switching, and EXIR illumination for outdoor monitoring.
- H.264/MJPEG, dual streaming, browser/client configuration, and listed network protocols give an integrator concrete setup evidence.
What to weigh up
- The bulletin calls the product 1.3 MP/720p, while the model data sheet and NVR table list 1280×960; retain that source conflict.
- The listed 73.1-degree lens angle has no named measurement axis, so diagonal FOV is unknown.
- Candidate ASIN, exact package, microphone/speaker, current support, browser compatibility, and present network-security posture are not established.
Specifications and exact model details
The key details
| Model covered | DS-2CD2312-I, 4 mm lens |
|---|---|
| Documented video modes | Data sheet lists 1280×960 at 25 fps in 50 Hz mode and 30 fps in 60 Hz mode; a separate Hikvision bulletin labels the camera 1.3 MP/720p |
| Focus and framing | 4 mm f/2.0 lens option; 73.1-degree angle lacks a named measurement axis; physical installation adjustment is listed |
| Light and lens privacy | EXIR infrared illuminator is listed at approximately 20–30 m; this is night illumination, not a visible desk fill light; IP66 housing |
| Integrated audio | No integrated microphone or speaker is confirmed by the reviewed model documents |
| Connection and mounting | 10/100 RJ45 Ethernet; PoE 802.3af or 12 VDC; H.264/MJPEG dual streaming and ONVIF are listed |
| Identity and setup limits | DS-2CD2312-I with 4 mm lens is model-supported; ASIN B00Q0QK2B0 and exact included package are not confirmed |
Performance figures are manufacturer claims. Source checked October 15, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Identify the correct camera variant
The candidate row names Hikvision DS-2CD2312-I-4MM. Hikvision’s data sheet covers DS-2CD2312-I and lists 4 mm as one lens option; its table separately lists the higher-resolution DS-2CD2332-I. Those are not interchangeable identities, so facts from the 3 MP 2332 row should not be copied to the 2312. Hikvision’s product discontinuation bulletin includes DS-2CD2312-I with 2.8, 4, 6, and 12 mm lens variants. That supports the model/lens combination, but it does not prove that frozen ASIN B00Q0QK2B0 contains this exact camera, lens, accessories, or firmware. A model-level listing with a tagged search is safer than asserting an exact historical offer.
Read the stream modes and resolution carefully
The Hikvision-authored data sheet lists 1280×960 as the DS-2CD2312-I maximum image resolution, then specifies 25 fps at 50 Hz and 30 fps at 60 Hz for that mode. It also lists 1280×720, 704×576, and 640×480 at those same regional frame-rate ceilings, with H.264/MJPEG and dual streaming. A separate Hikvision product bulletin calls the 1.3 MP/4 mm camera 720p. The discrepancy could reflect a marketing label or firmware/model-table difference; the saved evidence does not explain it. The most precise mode table is retained alongside the bulletin note. It does not establish Full HD 1080p or 4K, and the 30 fps maximum is not a 60 fps mode.
Lens, installation, and night illumination
For the 4 mm option, the sheet lists f/2.0 and a 73.1-degree angle of view, but does not label that figure as horizontal, vertical, or diagonal. The diagonal matching field stays unknown. The camera body allows horizontal and vertical angle adjustment during installation; this is not a documented motorized pan/tilt or automatic subject-following feature. Hikvision lists day/night switching and an EXIR illuminator with an approximate 20–30 metre range, plus IP66 weather protection. EXIR is infrared night illumination, not a visible desk light. The sources do not document a physical privacy shutter or microphone/speaker for this exact model.
Ethernet power and network viewing
This is a camera-native network product. The model sheet lists one 10/100 RJ45 port, network protocols including HTTP/HTTPS and RTSP, ONVIF compatibility, and PoE (802.3af) or 12 VDC power. It is not a USB/UVC camera for a meeting application. A model manual describes browser/client configuration and older network setup steps, but that historical guide cannot prove that a current browser, mobile client, firmware release, or security configuration remains suitable. Before putting a surviving unit on a live network, an administrator should confirm its installed firmware, access controls, client compatibility, and isolation plan. This review cannot certify present-day security.
Treat infrared and visible lighting separately
Hikvision documents EXIR illumination for night monitoring, with an approximate 20-to-30-metre range, and a day/night switching function. Infrared illumination is useful for a surveillance scene after ambient light falls, but it is not a visible light aimed at a person for a flattering video-call image. The matching profile therefore does not count EXIR as an integrated desk fill lamp. The reviewed documents also do not establish a physical lens cover, a microphone, a speaker, or a shutter position that stops audio. The camera’s weatherproof turret shape is a different design purpose from a personal privacy webcam, so a buyer should not assume it has call-camera privacy hardware.
Who should still consider this model?
Consider this only for someone maintaining a compatible legacy IP-camera installation who can verify the physical DS-2CD2312-I label and 4 mm lens, supply PoE or 12 VDC, and independently validate software and network safeguards. It is a poor default for ordinary calls because its documented path is Ethernet network viewing rather than USB webcam capture. The sources do not establish current stock, price, seller condition, exact accessories, or buyer-review findings, and this is not hands-on testing. The tagged search is a locator; confirm the camera markings and exact lens before relying on a result.
Compare for your needs
For current remote room monitoring, compare supported network-camera models with current firmware and security documentation. For video calls, choose a USB/UVC webcam with exact-model call modes, privacy controls, and host support. This Hikvision model is relevant only when its legacy Ethernet design and physical lens match an existing controlled installation.
Find the webcam that fits you.
Tell us what matters. We’ll help you weigh the options.
Before you buy
Does DS-2CD2312-I support 1280×960 or only 720p?
The model data sheet and Hikvision NVR table list 1280×960; a separate product bulletin labels the camera 720p. The source set does not explain the difference, so both claims are disclosed.
Is the 73.1-degree angle diagonal?
The model sheet does not identify an axis. The diagonal FOV value remains unknown.
Is it a USB webcam?
No USB/UVC call path is documented. Hikvision lists Ethernet network viewing and PoE/12 VDC power.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Hikvision DS-2CD2312-I / DS-2CD2332-I data sheet, hosted by B&H, with Hikvision product discontinuation bulletin ↗ — checked October 15, 2026.
- Hikvision DS-2CD2312-I / DS-2CD2332-I model data sheet: 4 mm lens, codecs, mode/rate table, Ethernet, power, IP66, and EXIR; the 2312 and 2332 columns kept separate ↗ — checked October 15, 2026.
- Hikvision product discontinuation bulletin: DS-2CD2312-I 1.3 MP/720p and 2.8/4/6/12 mm lens options; this resolution label conflicts with the data-sheet table ↗ — checked October 15, 2026.
- Hikvision DS-2CD2312-I user manual copy: network/browser setup and live-view workflow; historical instructions do not establish current compatibility ↗ — checked October 15, 2026.
- Search this model on Amazon · Tagged exact-model Amazon search; frozen ASIN B00Q0QK2B0 is not confirmed as the exact model/lens package ↗Paid link · We may earn a commission. — checked October 15, 2026.
The decision
The DS-2CD2312-I 4 mm variant has a useful historical IP-camera specification record: H.264/MJPEG, 10/100 Ethernet, PoE or 12 VDC, day/night switching, EXIR, and IP66. Its 1280×960 mode conflicts with the bulletin’s 720p label, and its 73.1-degree angle has no axis. Current firmware/client/security fit and the candidate ASIN mapping remain unknown. Treat it as a legacy network-monitoring device, not a modern call webcam.
Is it the right fit?
Check the exact model and today’s offers on Amazon.