User Review: Hikvision DS-2CD2D21G0-D/NF Camera 2MP Pinhole

Hikvision DS-2CD2D21G0-D/NF Camera is a 2 MP pinhole camera device that is very small in size. It comes with a fixed focal length. As its design is compact and the size is small, this device is used for hidden surveillance. Moreover, this type of camera device can be used outdoor and even indoors. However, it is recommended that Hikvision DS-2CD2D21G0-D/NF Camera should be used indoors.

This camera device is developed by Hikvision and is offered as a special series only. It also comes with 3 years of international warranty. Moreover, if you face any issues or errors with this device you can also contact Hikvision support for further assistance. It has a 1920 x 1080 resolution at 30 frames per second.

Hikvision DS-2CD2D21G0-D/NF Camera

Factors to determine before purchasing a CCTV camera

Before purchasing any CCTV camera device, make sure that you are well aware of the following points.  These points will help you in making your desertion, whether you should purchase a specific camera device or not. Moreover, if you are on a budget, then the cheapest camera device with the most features is the best choice for you. The point will also help in determining which features a camera device should have, that are best according to your requirements.

Fixed Lens Camera

Fixed lens cams have a fixed focal line. The length of these cameras cannot be adjusted. These cameras can only be zoomed in on a broad angle. They can be used to cover sensitive areas as they offer a wider view.

Colour Night Vision

Full-color technology has a dual-sensor design and software optimization. It can produce high-quality images even when the light is off, which reduces light pollution. A 4K resolution allows for vivid color details to be captured at night. It is also equipped with AI features and optical zoom that can be used to reduce costs and improve efficiency.


Prior to purchasing a CCTV cam, you must first check the resolution. The quality of the images will improve with a higher resolution. A poor resolution will result in pixelated images or videos.

See also  4 CCTV Tools That You Should Always Keep at Your Office Or Home

You may not recognize faces when the footage or images aren’t clear. High-resolution HD cameras and IP cameras are increasingly in demand. They are also available with excellent quality. 1080P resolution is highly desired by buyers.


CCTV cameras should be equipped with night vision. Installing a CCTV camera is a 24*7 service. You could miss very important clippings or other activities if your night vision isn’t clear. This can lead to security breaches that could cost you dearly. Many cameras include IR support. These IRs adjust to the amount of natural light available.

Digital camera:

An IP camera is a digital camera that operates on the Internet Protocol (IP), network laws instead of an analog electric signal.


PoE technology doesn’t require you to have a separate power cord and an ethernet cable for each of your cameras. This makes the system easier to use as there are fewer cables.

Passive Infrared Motion(PIR) Sensor:

It’s an electronic device that measures infrared (IR), light radiating from objects in its area of view. An imaging IR camera is needed for this purpose. PIR-based motion detection is used for detecting the movement of humans, animals, and objects.

Two-Way Audio– Two-way audio:

Two-Way Stereo Audio- Two-way stereo audio allows you to be more powerful. It keeps the command at your fingertips.


In stormy conditions, make sure your outdoor camera works in bad weather. Cameras must have IP66 layers. Cameras sometimes have problems with strong weather conditions. A good outdoor camera should be weather resistant.


Cameras that have Wi-Fi access and are wirelessly connected will not require wires. They can be accessed online from any router with internet connectivity. It allows you to monitor from anywhere.

See also  User Review: Hikvision IDS-2CD7546G0-IZHSY Camera [Varifocal Lens]

SD Card Support:

Find out if the camera supports an SD Card slot. Check if the camera supports recording in the cloud.


Support from the company and warranty are essentials. Cameras should always be installed at key locations. They can become a security risk when they stop working. This is where the company support and warranty are very helpful. A customer-friendly policy is a sign of a company that is trustworthy.

Hikvision Hikvision DS-2CD2D21G0-D/NF Camera Quick Start Guide, User manual, And Data Sheet

Here I have added the official Quick Start Gude, User manual, and Data Sheet. With these files, you will have every single piece of information regarding the Hikvision DS-2CD2D21G0-D/NF Camera 2MP Pinhole. Moreover, the Quick Start Guide contains the design, shape, and mounting procedure. The Data Sheet will provide all technical information to the user. And the User manual contains all of the information regarding every function of the camera device.

Quick Start Guide

User Manual

Data Sheet

Hikvision DS-2CD2D21G0-D/NF Camera

Features Of This Pinhole Camera Device

Here you will find all of the features of this camera device. Moreover, you can view the table shown below to learn more about the specifications of the Hikvision DS-2CD2D21G0-D/NF 2MP Pinhole Camera. Moreover, this camera device comes with many features. As the size of this device is very small, many people place it in a discreet location, and the amazing features provide the best performance of the camera device while staying discreet.

  • A smart camera device with a special sensor to absorb the perfect amount of light for providing the best image quality and clarity.
  • 3D DNR technology is used.
  • 120db WDR
  • 3.7mm focal length.
  • Field of view:
    • Horizontal FOV: 78°
    • vertical FOV: 43°
    • diagonal FOV: 90°
  • H.265+ video compression
  • Preset alarms.
  • Many sensors for different purposes.
  • Mark a link on the camera view for intrusion notification.
  • Auto set time to enable or disable sensors.
  • Day-night autofocus.
See also  Best Virtual Data Rooms | Virtual Data Room Review


  • No IR Sensor due to its small size. This means no night mode.
  • Users have to purchase a separate SD card.
  • This camera device does not have Wi-Fi enabled.
  • The PoE adapter and the PoE switch have to be purchased separately.
Image Sensor 1/2.7″ Progressive Scan CMOS
Resolution 1920 × 1080
Shutter time 1/3 s to 1/100,000 s
Video Compression H.265+/H.264+/H.265/H.264/MJPEG
Video Bit Rate 32 Kbps to 8 Mbps
Operating Conditions  -30 °C to +60 °C (-22 °F to +140 °F)
Compatible Client Software’s PC Client:  iVMS-4200

For iOS: Hik-Connect

For Android:  Hik-ProConnect

PC Client & Mobile App: iVMS-5200


Purchase From Amazon: Hikvision DS-2CD2D21G0-D/NF Camera.

How To install Hikvision DS-2CD2D21G0-D/NF Camera

If you want to install a Client software on your PC or if you want to get the smartphone app, then you can find the appropriate software for this camera device in the specification table above. I have also mentioned a little information relating to the Client and Mobile software.

Hikvision DS-2CD2D21G0-D/NF Camera

So, click on the Client software that you want and you will gain access to the complete installation method for that specific software. Now the only thing left is to mount the camera device to your desired location. This camera device comes with an installation sticker, just place the sticker on the wall and mark all the locations where you have to screw to mount the camera device.

After marking all locations, place the camera device and screw it into place. As this is a fixed focal length camera device, so make sure that the camera is covering all of the angles before you tighten the screws. This was the installation method of the Hikvision DS-2CD2D21G0-D/NF Camera.

Hikvision DS-2CD2D21G0-D/NF Camera

This article was regarding the user review of the Hikvision DS-2CD2D21G0-D/NF Camera. Ask questions in the comment section below. Thank you and keep supporting CCTVTeam.

Leave a Comment