Door view camera aspects of choice and legality

If you decide to equip your door the door this way, tracking and additional security, as door view camera, for proper his choice would need clear ideas about what functions it should perform. So if you just want to see who is outside the door, not coming up to the door and not looking through the peephole, you need the easiest door view camera in the basic version. But if you need a record of everything that happens on your hard drive, for example, then you need to get ready for the relatively high price of the device.

Consider the above case. In the first option, to monitor the actual picture space you need just door view camera that has the power and ability to pass the signal to the tv or computer. To connect to your tv will need to purchase a UHF modulator, and for computer-special fee for converting an analog signal to digital.

However, if your goal was a 24-hour surveillance with recording capability, the bundling of greatly expanded: in addition to the device with high sensitivity, you need the DVR hard drive or a special fee, which provides video capture for PC, cable, which carries the video signal transmission. Also needed are infrared motion sensor and a source of infrared radiation. The latter may be mounted in bolts, screws or even digit unit number. In addition, all of these devices must have their own power supplies, because feeding them all from one fail and all these power supplies will require its own uninterruptible power supply.

In any case, whatever the chosen configuration, better to entrust the installation of such a system to professionals to make it work like a clock.

As regards the angle of view, modern can provide it at a level from 90 to 180 degrees. But chase the maximum value not worth it, because with increasing the width of the review and its range. So focus on the optimal value should be based on the location of the door to the stairwell. So, if the door is located in the wide part of the staircase, there is a viewing angle of 1200 or higher and has a range of just anything. So when viewing angle in 1800 range will not be more than 2 meters, which is quite suitable for these conditions. If the door is at the ends of the staircase, it’s best to choose a device with a maximum range of review and its average breadth: so the best option would be a peephole with a review of up to 1200, and its range will be more than 3 meters.

With regard to the rule of law, according to official documents, hidden technical surveillance tools can only be used by special services, the rest need to ascribe that covert surveillance or something like that. But how relate to technical surveillance tools, you need to investigate. So, according to accepted and current normative-legal acts, it is not allowed to use hidden cameras, which are hidden in everyday objects. But eye, in which the camera is hidden, and so is a tool for monitoring what is happening, and it kind of improvement does not extend beyond the law. So much so that can not work in lighting conditions less than 0.01 Lux, and to be prohibited and require licensing need, the value of this parameter at the level of 0.0001 Lux. Thus, the use of it is legitimate and should not cause any problems.

Door view camera aspects of choice and legitimacy if the decision to equip its door entry-phone, by choice. Recommend disabling the mobs. when the selection in the stores was not great, little money The hardest thing was to pick door view camera with the necessary sensitivity. very interesting all aspects of manufacturing of winter, preferably with photo the legality of the purchase of all materials.