Surveillance camera is necessary not only to protect a certain area from penetration, but for other equally important tasks. For example, it can help to monitor the work of staff, as well as to protect themselves from theft of property. It is no secret that leaders in production of electronics are Chinese manufacturers. Part of their products, they implement via Aliexpress. Cheaper to order the camera on Ali than to pay for the same in a retail store. Before you make a purchase you should deal with the future purpose of the equipment and its functions.

Tips for choosing a Chinese surveillance cameras

In order to purchase CCTV camera and do not regret the money spent, it is necessary to take into account the characteristics of the model functionality and for what purpose you need it.

Differentiation of

The cameras can be analog and digital. Analog models are suitable for tight budget. Their costs are lower IP equipment - 30%. To deal with the installation and the installation of such a camera maybe even a normal user. The analog system does not require Internet, so it is suitable for observing objects on the ground with a weak signal:

• Cottage
• Country house
• Remote from cities objects
• Territory with a large area.

Maximum cable length from the recorder to the camera is 350 metres away. This allows you to install a surveillance system throughout the territory. For the protection of large remote complexes often use analog equipment.
Digital security cameras transmit a clear image without noise and interference. To store recorded video files will need much more hard disk space than in analog recording. Digital equipment is necessary in situations when you want a clear recognition of persons and their actions:

• Shopping facilities
• CAT
• Parking
• Objects of mass use.

IP equipment can be used without DVR. The maximum cable length does not exceed 100 meters. This complicates the installation of the system in large facilities outside of urban infrastructure. For smooth operation of the equipment requires a stable Internet signal.

The choice of recording quality

Digital security cameras transmit high-quality image. The data obtained can be analyzed - that is not true about the analog equipment. IP models have a detailed picture format 720-1080p.
To monitor a large area the necessary function of the optical approximation. Is responsible for this Varifocal lens. It allows you to "zoom" zones of control. For protection at night will not prevent IR light. The camera's ability to capture objects in the dark is measured in Lux. The fewer the better. Perfect night vision camera has a 0 Lux.

ISO

This parameter is important for surveillance. The higher the sensitivity value in the specifications, the better the image in low light conditions. Data indicate the minimum sensitivity value.
During the day the light level is constantly changing. To avoid glare and dark spots, you must choose a device with an automatic diaphragm. In this case, the camera will adjust the lens of the weather conditions or time of day or night.

The angle

For an overview of the object meet a wide-angle camera. They are equipped with short throw lens. With their help, you can get a full picture of the entire perimeter.
At the checkpoint, the cashier or to monitor other a small plot of suitable camera with a long lens. The viewing angle should not exceed 45 degrees. These cameras record the material, which is not difficult to analyze. It install them in supermarkets.
The value of the angle individually for assignment here. The higher it is, the greater the area of capture. A small value will allow detailed monitoring of a certain area, to capture what is happening on it.

Differences street equipment from home

Street models are equipped with a strong body. Because of this, the device is protected from external factors - sun, wind, rain, hail, etc. In the harsh climate does not prevent the heating system. It will protect the camera from the effects of low temperatures. Surveillance better to install on top. Attackers will not be able to damage the equipment.
Home equipment does not require additional protective measures. For indoor surveillance applications will fit simple models. The enemy of home video surveillance systems - high humidity. To protect the device from damage, you need to pay attention to models with a moisture-proof housing.

Best security cameras for home with Aliexpress

Chinese companies occupy the leading position in the production systems home monitoring. We offer to your attention a rating of the best security cameras for all types of premises.

YI Dome X

Features:

• Type - Ip-camera
• Lens - 2.8 to 8 mm
• Camera - 2 MP
• Viewing angle - 360 degree
• Resolution - 1080p.

YI Dome X made in a futuristic design. Control is carried out on Wi-Fi. The device can perform the functions of both protective and detailed surveillance. The camera is equipped with a motion sensor that responds to sound. Suitable for installation in a living room or narrow room, such as a baby. Through the app you can send voice messages. To record them in advance or online. This function is useful to use away.
YI X Dome allows you to observe everything that is happening, thanks to a viewing angle of 360 degrees. The image is transmitted in full HD 1080p. The device is mounted on the ceiling. All notifications come via e-mail. Supported operating systems Windows and Mac.
Pros:

• Versatility
• High angle view, detailed picture.

Cons:

• There is no slot for memory card
• Makes a sound when focusing on a moving subject.

SDETER Q8U

Features:

• Type - Ip-camera
• The lens is 3.6 mm
• Camera - 2 MP
• Angle of view - 85 degrees
• Resolution - 1080p.

SDETER Q8U suitable for installation in any area of your home. The camera is powered from the mains. Therefore, it should be placed near the outlet. Internal storage fit in yourself 128 GB of videos. Of useful features: motion sensor, night vision, alarm system (by sending notifications to your smartphone). The device transmits sound in both directions. So it can be used as a walkie talkie for voice messages.
The device is mounted on the ceiling. It is protected from external threats, thanks to antivandalism the body. Picture format: full HD 1080p.
Pros:

• Versatility
• Protection from falls and intruders
• The detailed picture.

Cons:

• You need to install near a power outlet.

Best outdoor surveillance cameras from Aliexpress

Street equipment must be equipped with a robust shockproof housing. This will protect the device from low temperatures, bad weather and damage.

HIKVISION DS-2DE3304W-DE

Features:

• Type - Ip-camera
• The lens is 2.8 - 12 mm
• Camera - 3 MP
• Viewing angle - 120 degrees
• Resolution - 1080p.

Compact camera from a Chinese company Hikvision has all the necessary functions to control the outer territory. It gives high quality picture in high definition, capable of a fourfold increase of the object. To install the software and the camera itself does not take much to delve into. To cope with it even novice user.
HIKVISION DS-2DE3304W-DE is not controlled from Wi-Fi and PTZ signal. Because of this, the device can operate in uninterrupted mode. Professionals install this camera in the shopping and financial centres. The system works silently. So it can be used for hidden video.
Pros:

• Reliable protection from adverse environmental conditions
• Fast and high quality approximation
• Silent operation.

Cons:

• There is no slot for a memory card.

Boavision HD54F

Features:

• Type - Ip-camera
• The lens is 4.7-94 mm
• Camera - 5 MP
• Viewing angle - 60 degrees
• Resolution - 2592x1944p.

Boavision HD54F is the perfect camera for surveillance of a certain area. The device is able to display all details of what is happening on the territories under its control. The device produces a crisp, clear picture, reacts to movement and sound. Boavision HD54F produces thirtyfold magnification without loss of image quality.
The camera automatically adjusts to weather conditions. Therefore, transfer of images is done without flashes, smoothes out the picture in low light or rain. The body is not afraid of severe cold and sweltering heat.
Pros:

• Image quality
• Versatility
• Reliable protection from the external environment.

Cons:

• No.

Best hidden security cameras from Aliexpress

A good hidden camera should work silently and respond quickly to move the object. On Aliexpress there are a huge number of devices with the possibility of covert filming, but we will consider only the best.

Meisort Fisheye VR

Features:

• Type - Ip-camera
• Lens - 1,44 mm
• Camera - 1.3 MP
• Viewing angle - 360 degree
• A resolution of 960p.

Compact mini camera Meisort Fisheye VR combines all necessary functions for high-quality hidden camera. Its size is just 7x7x3,5 cm Device attached to the ceiling, wall without losing the wide angle of the review. The device has a slot for a memory card, features two-way audio transmission. The lens is equipped with motion sensor and infrared illumination distance up to 10 meters.
Meisort Fisheye VR transmits the data via Wi-Fi to work correctly, she needs an uninterrupted Internet connection. Thanks to the miniature design and various mounting options, the device is not evident and perfectly fulfills the function as a hidden camera.
Pros:

• Compact design
• Wide-angle shooting
• Versatility.

Cons:

• During recording possible audio artifacts.

Conclusion

Before buying you must decide on the future appointment of a surveillance camera. It is important to remember that a large number of cheap cameras is better than 2-3 expensive devices. Despite its technical limitations, they help to protect the area from illegal intrusion and belongings from theft.

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