Top 6 things to pay attention to when buying a surveillance camera

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Camera theo dõi

Society is increasingly developing, leading to many social evils such as robberies that have continuously occurred recently at increasingly dangerous levels. Therefore, equipping surveillance camera systems for households, agencies, production facilities... is extremely important. However, choosing a quality camera system is not simple, today Dong Nam Fire Protection will guide you on things to keep in mind when choosing to buy and install surveillance cameras.

1. Choose a camera based on your needs

On the market today, there are many different types of surveillance cameras with prices ranging from several hundred thousand to several hundred million. So you need to clearly determine what your need for installing surveillance cameras is? Installed in which area?

Camera theo dõi

For example, when installing a camera to monitor and observe children while at home with the maid, you only need to choose an IP camera costing a few million (eg Webvision, BullCam brands) to meet the needs. demand. As for more stringent requirements such as monitoring production lines, preschools, centers..., you need to choose professional cameras with good recording systems and high stability from famous brands like Dahua. , Hikvision, Vantech, Kbvision....

2. Determine the scope, location, and who you want to install the surveillance camera?

There are many different types of cameras in terms of recording angles, exposure, storage, weather resistance... so you need to clearly determine the range and location where you want to install the surveillance camera to be able to choose. the most suitable type. Usually you should choose a hemispherical camera with a large lens and infrared to ensure the aesthetics of your home but also provide good images and night vision.

If you want to observe people coming in and out from your door, you will place the camera from the upper corner. The viewing angle from that direction has quite a wide field of view so we can clearly see who comes from which direction and enters the house.

3. Priority should be given to choosing surveillance cameras equipped with infrared lights

- Infrared LEDs (IR) support your camera very well and can be used for monitoring at night and in low light areas, you should choose a surveillance camera with lights. IR is invisible to the human eye but not to the camera sensor. Infrared is also divided into many different types in terms of brightness and durability such as IR LED, IR ARRAY LED, IR LASER LED and EX IR LED. Of these, two types of IR LASER LED and EX IR LED are often used on high-end surveillance cameras, the IR LED type is often used on old, cheap surveillance cameras, and the IR ARRAY LED is often used on wired cameras but is also commonly used. Available on low-cost surveillance cameras.

4. Pay attention to the resolution of the surveillance camera

The resolution of the camera also greatly determines the sharpness of the camera. Normally, whether a camera is sharp or not depends on the sensor quality and resolution. The larger the camera resolution, the more pixels the camera has, resulting in sharper image quality.

5. Is the surveillance camera wired or wireless?

Wired camera: A wired camera system includes the main devices a camera and a video recorder, in which the image quality will depend on whether the camera eye has high or low resolution. Wired cameras are highly stable, but installation requires support from suppliers and the purchase price of a set of wired cameras (1 eye + 1 recorder) is also quite expensive, from 3 million VND.

Wireless camera: Wireless IP camera is easy to install, has speaker and mic for 2-way conversation, can rotate 355 degrees horizontally, up/down 120 degrees and controlled directly on the phone, very convenient when you want to observe a lot Different angles, suitable for small offices, households, and apartments. However, the stability is not as high as wired cameras because it depends heavily on the Wi-Fi system providing network for the camera. The cost for an IP camera set is much cheaper than a wired camera, about 1.5 million VND to more than 2 million VND.

6. Choose a reputable manufacturer.

Currently on the market there are many distributors of surveillance camera equipment from popular camera suppliers in the market such as Vantech (Vietnam), Questek (Taiwan), Avtech (Taiwan), Hikvision (China). ), Vivotek (Taiwan), Kbvision (USA) and Dahua (China). Therefore, you should research carefully before deciding which type of camera to choose for your needs.

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