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many important features, like lens control output, Back Light Compensation and many more. For a common size household, the most suitable system is a quad cam. Needless to say, this is extremely convenient, since you may not want to be so close to the place you're monitoring. These cameras may be packaged in a small case (Mini Cameras) or dome (Mini Dome) or simply sold unpackaged, for mounting by the purchaser. For example: the average security camera image size is 1/3". This size provides a good enough image quality. For instance: a camera's night vision can be improved by adding an infrared illuminator under the camera bracket. The cost of IR illuminators varies widely, depending on what type you buy and where you buy it-anywhere from under $30 on Ebay to around $200 commercially. There is, of course, middle ground, so do your research and shop around. You want to make sure you're getting the most for your money-so not only will you sleep better at night, you'll see better at night, too. A special board and software installed on the computer will allow camera inputs and store video on the hard drive. useful when monitoring is required in different locations through the Internet or network. The cost of IR illuminators varies widely, depending on what type you buy and where you buy it-anywhere from under $30 on Ebay to around $200 commercially. There is, of course, middle ground, so do your research and shop around. You want to make sure you're getting the most for your money-so not only will you sleep better at night, you'll see better at night, too.
Wireless Surveillance Cameras the CCTV industry is following the trend with wireless surveillance cameras.
Theoretically DVRs can record for weeks on end, depending of course on memory, recording quality and speed. Most cameras use CCD technology. The size of the CCD chip is normally 1/4", 1/3" or 1/2". For example: for the lack of a better option you decide to observe your cleaning help. However, higher density 1/4" and 1/3" CCD chips can now produce as good an image as many 1/3" or 1/2" chips. If you are concerned that large intimidating cameras might make people uncomfortable, consider using smaller cameras or hidden ones. Bullet cameras are, as the name suggests, contained inside a bullet shaped housing. The receiver's output can be stored in a VCR, DVR or viewed in real time on a TV or computer monitor. Most bullet cameras are weatherproof and sealed without the ability to use different lenses. This article reviews camera and monitor types as means of providing protection and household safety.
As with any other security camera, you can choose from a wide selection of bells and whistles: audio, motion sensors, infrared filters, computerized pan/tilt/zoom, night vision capabilities, and even automated alarm-triggering functions. Assess your security needs, decide which features are important to you, and shop accordingly. Basic components of CCTV systems