Wired / Wireless
There are both wired and wireless outdoor security cameras. Both types have their advantages and disadvantages. A cable system is much more reliable and last long. However, it requires professional installation, which can be very expensive. On the other hand, the wireless system can be installed easily without any help. wireless device security is actually much more efficient and reliable, but require battery replacement normal. This can be a low cost term and long term.
First, it should be noted when selecting security cameras is its resolution. The higher the resolution, the finer the image. Therefore, it is logical that the highest resolution possible.
In general, security systems with a single camera surveillance and recording. However, if the security system must undergo a long distance, you need a system that can handle up to possibly three or four cameras to compare. Note that these systems are not as expensive as you think.
The next thing to consider, not whether the camera has the ability to save or night. You should evaluate the different cameras for the bride. Lux is a unit for measuring the ability of the camera obscura images in the file. Then the Lux number, the more it will offer a night. Different values of luxury, but of course they are all in the price. If the unit can be installed almost anywhere without coverage, then you should go to an infrared camera outside security.
In fact many security systems do not have audio recording system.