Install a simple, non-professional video surveillance system in the apartment or in the suburban area under the power of many.The main thing, on what is necessary to draw the attention, this is the right choice of equipment.What are the basic criteria necessary to know when choosing a video camera for video surveillance?

analog or IP?

course for the future of digital IP cameras CCTV.Images from the IP camera can be increased without loss of signal quality and to consider the smallest elements of the picture.Minus these cameras only one- of their high price.Therefore, for an amateur in the field of security systems, I recommend using analog camcorders.

Color or black and white?

Black and white video cameras is becoming less and less on the market.But they have an important advantage in the loss of information content of the image, they are highly sensitive, especially in low light conditions.The optimal variant color cameras with a "day-night".These cameras transmit a color image, but a decrease in light mode moving black-and-white photography.

Outdoor or Indoor?

Quite simply, if the camera will be on the street, buy a camera street performance heating, or separate housings.First predpochtitelno- proven device ready.To experiment with cameras in the cold without heating sovetuyu- not in the best case, they will not show, at worst, they will spoil you forever.

videokamery- Resolution 380 or 700?

course, not pixels!Resolution of analog cameras is measured in TVL (television lines).My advice: 420TVl enough for your surveillance system.Save high resolution (600-700TVL) is quite difficult, you need to have a DVR that can handle the signal, and a small length of cable signal lines.

High sensitivity, or infrared light?

Camera sensitivity is the minimum value of light that the device retains the ability to "see".It is measured in lux (lx).Night lighting ... 0,003 0,1lk.Accordingly, for day and night surveillance need a camera with a sensitivity of 0.01 lux.Infrared light is welcome, especially indoors.

Which lens?

Briefly explain the complicated professional can choose a lens to the camera surveillance in many ways, is optimal for each case.To avoid confusion, at least in the standard mount, purchase a camera with a built-in lens.The viewing angle can be determined about, and choose the next higher standard value.