CCTV cameras have become commonplace in modern society. They are equipped with shops, industrial and residential facilities. Each owner of the house can also install it inside the estateor outside. Shooting is carried out around the clock. For a small budget, it is possible to reduce the likelihood of theft, scare away robbers, in the event of a force majeure situation, quickly find out the truth and present evidence in court.
Not all devicesare suitable for home use. Some do not recognize objects well, others have many “blind” zones, others do not record video on a flash drive or PC. It is worth learning how to choose the right CCTV camera so that it 100% advises the expectationsof the pits, performs the tasks assigned to it and costs a small budget.
Camera type
Video surveillance devices are divided into 2 groups – analog and digital. The first type works with NTSC and PAL signals, you can connect the cameras to the monitor directly, whichallows you to record videos. The latter encode information from the matrix into a special signal that is transmitted via Wi-Fi, 3G or 4G to a PC, cloud server.
The undoubted advantage of digital cameras is the ability to watch the video at any time and make sure that everything is in order in the house. You can do this even from your smartphone or set up data transfer to your work computer.
At the same time, it should be noted that analog cameras do not have high video quality. Digital devices allow you to get a detailed image of the incident in the event of an unforeseen situation and quickly find the culprit.
Installation location
The cameras can be installed directly indoors or outdoors. Models differ depending on the tasks they perform. Manufacturers equip street devices witha special protective case. Thanks to him, it is possible to protect the device from corrosion, exposure to sunlight and precipitation. They last longer, and external factors do not affect the quality of the picture.
External chambers are also distinguished by increasedtightness, heating system. This allows them to be used in regions where there are severe frosts. The cost of such devices is higher. If your area has a mild climate, it makes sense to purchase an easier option to save money.
When the camerawill be installed in the house, you can give preference to ordinary dome cameras. Such models are inexpensive, but they perform their tasks no worse than expensive counterparts.
Separately, you should take into account the level of humidity outdoors and indoors. If it is high,it is worth purchasing devices with additional equipment. They are enclosed in a moisture-proof case, they will last much longer than standard dome devices.
Angle of view and focal length
These parameters are extremely important, they should be taken into account when choosing a camera. For home use, devices with a wide-angle short-throw lens are suitable. If the observation will be made for a certain object at a distance or it is important to control the entrance to the building, it is necessary to give preference to models that allow you to recognize people’s faces well. In this case, the ideal choice would be a device with a long lens. In this case, the viewing angle should be up to 45 ° C. Such cameras are mounted at cash registers in supermarkets and small shops.
Photosensitivityof the mouth
This parameter plays a big role and affects the quality of shooting. The higher the light sensitivity of the device, the clearer the video is. In addition, at high parameters, it will be possible to distinguish the faces of people caught in the lens in the dark or when there is thick fog outside. Expensive models allow you to shoot high-quality videos even at night, when there are no light sources.
Some devices can be equipped with an infrared spotlight. It allows you to get a clearer picture, distinguishes objects at longdistances. It will be possible to adjust a number of parameters, including adjusting the viewing angle.
Color or black-and-white camera
Video surveillance devices can have a color and black-and-white picture. The first option allows you to get a better video, but the model will cost more. Such devices are suitable for street surveillance.
Black and white cameras are significantly inferior in price. Monochrome models are suitable for installation inside the house. If the light sensitivity is high enough, it will be easy to recognize people’s faces.
Today, most devices support the possibility of color and monochrome shooting. You can choose the best option. The second is often used for video recording at night.
Cost
Prices for video surveillance equipment vary. Even the simplest model will cope with basic tasks no worse than expensive analogues. The best models in this segment are:
- HiWatch DS-I200;
- HiWatch DS-I103;
- Novicam N29LWX;
- Hikvision DS-2CD2T47G1-L.
The main drawback is the lack of the ability to record video on a memory card. They also have a modest resolution. However, the user gets a fairly clear image , regardless of lighting and temperature.
If it is possible to allocate a more solid budget for the purchase of a camera, you can consider digital devices. The best in this segment are:
- Dahua SD29204T-GN;
- HiWatch DS-I114;
- EZVIZ Mini Pano;
- Hikvision DS-2CD2423G0-IW;
- EZVIZ Mini Trooper.
Of the minuses, we can note the higher cost and the lack of anti-vandal protection. Most often, the power supply is not included. Some models are equipped with a low-power Wi-Fi module. You also need to be prepared for the fact that the cost of mobile communications will increase.
Findings
It is difficult for a layman to choose the right camera for home surveillance. A good solution would be to consult with a sales assistant. Before going to the store, it is recommended to make a list of tasks that the device will cope with.This will allow you to quickly find the best option at an attractive price.