CCTV Systems
Things to consider when looking to purchase CCTV System for Home or Business.
The modern fight against crime and are the future for preventing crime. As CCTV security cameras become more sophisticated, more crimes will be prevented and more offenders will be caught. CCTV Systems are commonly used to monitor offices, shopping malls, schools, universities, banks, inner city problem crime areas as well as government facilities and private establishments. As CCTV technology has become more affordable and easier to use, more and more people are installing cameras in their homes and businesses. CCTV deters theft and vandalism and provides constant surveillance 24 hours a day, every day.
There are many types of CCTV systems on the market. A typical system consists of a recording device, e.g.(DVR) Digital Video Recorder and any number of cameras can be connected, depending on the number of cameras required. Images are viewed from on a monitor or remotely (laptop, IPhone etc) through a broadband connection with a static IP address.
Consider the following to help you decide on buying a CCTV system:
• Decide what you want to monitor. Do you just want to see faces, all of the person, goods or commodities, whole crowds of people?
• CCTV systems have to be installed so what is your budget for this? Consider a wireless installation to save money. Do you need interior or exterior cameras? How many cameras do you need? DVR's come in 4 , 8 and 16 channel.
• Black and white or color? For low lighting conditions consider Infra Red which automatically switch to black and white at night.
• One very important specification is a cameras capability to work in low lighting conditions. Light levels are measured in LUX and the lower the number the less light it will take to reproduce a clear image.
• If you need sharp, quality images, go for a higher resolution camera. Entry level cameras have a resolution of 420 lines whereas high resolution camera will produce around 600 lines.
• Consider your image storage. DVR (digital video recorder) are the best option and are relatively inexpensive. They record onto a hard disk.
• Finally, select a monitor that is compatible with the resolution of your CCTV camera system. For domestic installations the system can be connected to your TV.
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