In the past, the main surveillance systems seemed to be CCTV, that broadcast its signal in analog format. The signals did not reach that far, and the pictures would have to be recorded, and then watched at a later date on video tape. This was not only a pain, but pictures were not in real time. This system was fine as long as you were in the house, however, how about when you are away?
Over recent years, the internet has brought us many exciting and new technologies, one of which being the ability to watch our house, through a webcam, via the internet twenty four hours a day, seven days a week as long as you have a connection. Movements in your house can be sent, via the internet, to your laptop for you to watch in real time.
You also have the option of installing cameras in different rooms and nowadays, more and more companies are using digital surveillance cameras to reduce both vandalism and theft.
Nowadays, the are several surveillance packages available or, indeed, you may want to build your own. When purchasing your cameras it is important that they are discreet and blend in with the surroundings as much as possible and most importantly of all do not scrimp on cost. The more you spend the clearer the pictures will be.
If you are building your own surveillance system, then there is a variety of software available, that can alert you by email, text or phone when an intruder enters your home, which is very helpful if you are out of the house for a long time and unable to access the internet.
These days pictures are much more defined than the old analog videos, and unlike when recording onto tapes, recording pictures in a digital format will retain its quality however many times it is played back. The digital files are also compressed and saved much easier than a stack of video tapes.
There are many advantages to digital surveillance systems and these days systems are relatively inexpensive and easy to install and operate.
You can find out more on security system wireless and security surveillance systems here.