CCTV Camera

CCTV cameras are used in many residential, office, commercial, military, etc. places to control traffic, personnel, or equipment, they speed up the necessary actions when a problem occurs. In the following content, the models, brands, and purchase prices of all types of IP,  IR (infrared or night vision), home, light bulb (dome), etc. are presented.

CCTV Camera Expert Buying Guide and Price List

In general, a Closed Circuit Television camera is a camera that is installed in a fixed space for protection, control monitoring, and recording current events in the environment and can record images and send them to one or more places.

For example, CCTV cameras are used in the city to record traffic violations, near ATMs to identify thieves who enter random codes with stolen cards, road cameras to record vehicle traffic and violations on the road, and at train and bus stations to control the number and traffic of passengers.

In the following, we will introduce the types of Closed Circuit Television cameras and their applications and functions.

Types of CCTV Cameras in Terms of Signal Type

CCTV cameras are divided into the following categories according to the signal:

Dual-Purpose CCTV Camera

Dual-purpose Closed Circuit Television cameras are cameras that can be used both under the network and in analog form, in such a way that the network output port is also used in these CCTV cameras.

Analog CCTV Camera

Analog CCTV cameras use analog waves to send and receive audio and video and record and store audio and video through a two-wire cable, which is generally an rg59 coaxial cable. Analog closed-circuit cameras need digital technology to record their images and use a digital DVR. Analog CCTV cameras are popular and best-selling in the market due to their low price, variety of models, and easy installation.

The following are the disadvantages of analog closed-circuit cameras:

• Low-quality wireless connection
• Low security
• Noise sensitivity
• Low image and sound quality
• A lot of wiring and high-cost
  
  

Digital CCTV Camera (IP Camera)

IP Closed Circuit Television cameras use digital waves to send data in the form of sound and video, and due to advantages such as high quality of sound and video, low and optimal cost of cabling. As well as the ability to send data wirelessly and over the network, and high security in terms of audio and video capture, they are very popular in the market.

Among the disadvantages of IP CCTV cameras under the network, the following can be mentioned:

• High price
• Low bandwidth
  
  

What is a DVR and What is it Used for?

DVR (digital video recording) is a recording device that is used in analog surveillance cameras and has 4, 8, 16, 32 channels, etc.

DVR Card

This card is the interface between analog CCTV cameras and computers, responsible for storing images, and is used both internally and externally.

Standalone DVR

This system is also used to store images, with the difference that it is only for storing images in CCTV cameras and is an independent system.

DVR Features

The following are some of the DVR features:

• Web Control
• Email alert
• Has a motion sensor
• Disconnecting and connecting or camera failure warning
• Capable of recording high-quality images in various formats
• LAN or dial-up connection
• The ability to communicate with FTP
• check-in and check-out counter
• The ability to adjust the light according to high light or total darkness
• Support for different languages including Farsi and Arabic
  
  

What is an NVR and what is it Used for?

NVR (network video recording) is a device for storing images in IP CCTV cameras on the web.

Types of CCTV Cameras in Terms of Size and Ability

Closed Circuit Television cameras have different types in terms of size and ability: 

IR CCTV Camera (infrared)

IR CCTV cameras are said to use infrared rays to detect and record images in the dark.

Industrial CCTV Camera

Industrial CCTV cameras or body cameras are rectangular cameras and the lens can be installed separately on them, this feature has made these cameras have a higher zoom in places where more focus is needed on the images. One of the applications of these cameras is inside or outside buildings.

Miniature CCTV Camera

Miniature CCTV cameras or mini CCTV cameras are small cameras that are mostly used secretly and are used in spaces that require inconspicuous control.

Rotating CCTV Camera (Speed Dome and PTZ)

Speed dome or PTZ CCTV cameras can rotate and control remotely or automatically. These cameras have a motor for rotation and for this reason, they have a higher price than other CCTV cameras.

Waterproof CCTV Camera

Waterproof CCTV cameras, as their name suggests, are waterproof and are used in open environments. These cameras are known as waterproof because the frame and lens are sealed.

Hidden CCTV Camera

These Closed Circuit Television cameras are small CCTV cameras that are used for inconspicuous control and can be installed in small spaces such as electrical outlets.

Dome CCTV Camera

Dome cameras are dome-shaped and are used on the ceiling.

A Guide to Choosing the Right Lens for a CCTV Camera

Different lenses in different sizes are available in the market, which makes it difficult to choose a suitable one. They are usually in 4.3, 6, 8, 12, and 16 mm sizes and have different zoom abilities. The larger the lens size, the larger the zoom and the smaller the field of view.

To make this matter more tangible, we will examine an image from the perspective of different lenses.

Lens 4.3

Lens 6

Lens 8

Lens 12

Lens 16

CCTV Camera Price

At DamaTajhiz HVAC the information and prices of all types of wireless, night vision, home, lamp, etc., Panasonic, Sony, Hikvision, Hilock, Dahua, etc., of CCTV cameras are presented for easier review and selection.

It should be noted that the pricing of the CCTV cameras provided on the DamaTajhiz HVAC website is up-to-date, and discounts will be considered for wholesale purchases.

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