A network video recorder is a computer-less surveillance system solution. Based on the Linux platform the NVR is ready to be used out of the box and have a built in video port to which you can simple connect a monitor and view all the action. In Meta Technology CO., a famous NVR manufacturer and NVR supplier, we believe the best security solutions are the ones that help you grow your business as well as protect it. Our broad range [ Read More ]
С довольно много современных цифровых камер, имеющих более широкий диапазон функций энергопотреблением например стабилизацией изображения или ЖК-экранов дополнительно к активным системам автофокусом, имея дополнительный аккумулятор установлен внутри камеры и готовы к использованию действительно удобно. Вы будете удвоить время автономной работы и, следовательно, примерно в два раза количество снимков вы можете взять только перед зарядкой. Canon, Nikon, Pentax, Olympus и Sony все питания батареи ручки, чтобы соответствовать их цифровых зеркальных камер. Большинство батарейная рукоятка фотокамеры содержит вертикальные объекта съемки, что делает [ Read More ]
Green laser gadgets are useful tools to give business and educational presentations, astronomy stargazing, burn paper and pop balloon. Many people in the world now have chosen green laser pointers for their personal use or public use. But do you know how to choose a proper laser for yourself? First, presentation laser pointers have all sorts of output power. If your purpose is to have fun, a low power laser pointer is enough. 1mW Green Laser Pointer is really a good toy [ Read More ]
With advancement in the field of science and technology, people are getting a chance to see new products being introduced in the market every day. Each product is meant to bring ease in the life of people, such as Multimedia Air Mouse, wireless keyboards, and wireless laser presenter. Computer is the basic need of everyone in today’s world. There’s not a single home which does not have a computer system. In fact now more than one computer is present in [ Read More ]
In recent years, the advancement of technology and the development of economy greatly improve the life level of the whole society. People only care about traditional questions of what to eat, what to wear, where to live and how to travel no longer, but they pay more and more attention to the safety of the surrounding living environment and activity environment. The safety ensuring technology is adopted as the most important tool for protecting people’s lives and property, and it [ Read More ]
At present, there are two signal transmission types in CCTV system. One is analog video signal which is transmitted by camera through cable to matrix, then from matrix to displayer and standalone digital video recorder. Another is digital signal, also called control signal between decoder and matrix. In the circumstance that equipment operates normally, they don’t create interference on video signal. Then, how does it produce and how should we solve it? Commonly, elevator promotion and demotion, high power motor [ Read More ]
The Closed Circuit Television (CCTV) surveillance systems today are no longer standalone digital video recorder devices. CCTV camera systems began making tremendous technological progress in the last decade due to the invention of DVR (Digital Video Recorder) technology. Once CCTV systems moved off the VHS tape technology platform and started converting video images into a digital format, it opened up a whole new world of opportunities to integrate CCTV cameras with other security and information system technologies. Originally, CCTV surveillance [ Read More ]
Video surveillance industry is in the middle of a paradigm shift. With the increasing popularity of Internet Protocol (IP) cameras, it is believed that the market is shifting rapidly from analog to IP video surveillance technology. One such example is the advent of NVRs offering a choice between standalone units or recorders as part of a PC assembly. Function Embedded NVRs are distinguished from PC-based NVRs primarily on how they operate and the features they provide. In confined locations, an [ Read More ]
There are mainly four kinds of laser pointers in general use, each of which has different features and functions. This article tells a brief introduction about the different functions of these 4 kinds of laser pointers, green laser pointer, red laser pointer, blue laser pointer and violet laser pointer. Green Laser Pointer Green laser pointer comes with a wavelength roughly around 510-570 nm. The choice of laser media for these wavelengths is limited, and performance that is achievable is usually [ Read More ]
Wireless keyboard is a sure hit especially for those PC, Android or tablet users out there who want to have the flexibility to move around the keyboard and still get the output needed. The best part of it all, wireless mini keyboards do come in different variations which will make it way cooler to shop around for this great accessory. First is the optical virtual wireless keyboard. With the birth of Android phones, tablets, and high-end PCs, it would also [ Read More ]
