Millions of hd monitor is against the resolution, the analog cameras are usually higher resolution of 540 TVL, the theory of the highest quality only about 400000 pixels, the real definition is concentrations of pixel level. Pure digital high-definition cameras can do millions of hd 720 p (1280 x720), 1080 p (1920 x1080), or even hundreds of millions of pixels.
Poor technology has been the bottleneck restricting the development of Chinese industry, security industry is no exception, but in the process of digital security, had formed a batch of
Have data show that in 2007 China's video monitor market overall size reached $4.1 billion, increased by 24.2% from a year earlier. Digital surveillance is especially rapid development, from 2004 to 2007, the proportion of digital surveillance in the size of the market from 35.7% to 54.4%...
With the rapid development of China's economy, all kinds of modern hotels, shopping malls, office buildings in the city, the intelligent building is more and more high to the requirement of