Resolution for security camera is an critical thing. You have to like this specification while you buy a surveillance camera. Usually, for CCTV cameras, the resolution have variety from 330 TVL (television lines) to 600 TVL. There is 2 selection for CCTV cameras, black and white, and color. The maximum out because 560 lines for color resolution. But for black with white in 600 TVL.
Only You can find IP security camera in higher resolution, greater than 5 megapixels. In multiple country, automatic TV transmission displays picture in resolution 480 lines. Actually, the detail of pictures are depend on the resolution, the higher resolution you determine, the additional detail surveillance video you can see.
High definition television (HDTV) has resolution almost 720 or 1080 lines, depend on the category HDTV you have with the channel you choose. If you require detail of surveillance camera, you have to determine higher resolution. The image is IP based megapixel cameras, not determine a closed circuit, but link over an IP network.
The reality, IP megapixel security cameras are additional exclusive than CCTV cameras. As for high end product using ultra-high resolution, IP megapixel cameras can denote video using additional detail twice than the detail of high definition television resolution.
Many people are unrealistic after shopping for a security camera. This character due to lack of experience. They have choosen mistaken the specification of surveillance camera rather than what they needed. The camera cannot pick the picture up at 80 feet away with 3.6mm lens, while the lens can certainly pick the object up in detail at 20 feet away.
Due to the very expensive price distinction concerning IP megapixel cameras and CCTV cameras, it makes sense if public prefer to add additional CCTV cameras instead of upgrading their megapixel cameras. It is realistic that the higher cost of the security cameras, the higher resolution and the higher detail of the video you can see.
For other information, visit : security camera direct, fake security cameras
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