Zhejiang Dahua Technology Co., Ltd. is a leading solution provider
in the global video surveillance industry. With around 11,000 employees all over the world, Dahua solutions, products, and services are used in over 160 countries and regions. Dahua has 35 subsidiaries globally covering Asia, the Americas, Europe, Middle East, Oceania, Africa, etc. With its surveillance solutions, Dahua delivers unparalleled quality, reliability and stability.
Dahua is committed to providing its highest quality products with the latest technologies to enable end users to perform their business successfully. In 2001, Dahua became the first company in China to launch an 8-channel real-time embedded digital video recorder. Since then, the company has continued to invest in building strong R&D capabilities for new technology and innovation.
Dahua has invested about 10% of its annual sales revenue in R&D since 2014. The company has four research institutes – Advanced Technology Institute, Big Data Institute, Chip Institute and Video Cloud Institute -- and more than 5,000 R&D engineers and technical staff working on cutting-edge technologies in AI, IoT, Cloud services, video, cyber security, and software reliability and other technologies. Dahua has registered over 800 patents as of 2016.
Since 2014, Dahua has ranked 2nd in the global video surveillance equipment market according to an IHS report, and in 2016 Dahua ranked 4th in the a&s international “Security Top 50”.
Dahua’s core video surveillance product line, including network cameras, NVRs, and HD over coax, can be applied in many sectors, including banking & finance, government, industrial, retail, sports & leisure, transportation, and energy.
Featuring customized technical innovations and end-to-end services, our intelligent traffic solutions and other solutions earn customer trust by best solving their problems. Numerous major projects have been installed with Dahua solutions - the 2016 Rio Olympics, 2016 Hangzhou G20 Summit, Lulu mall in Oman, LAN Airlines in Peru, APEC in China, as well as many others.
CCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV relies on strategic placement of cameras, and observation of the camera's input on monitors somewhere.
There are two types of security cameras systems, Analog and IP (sometimes refered to as network cameras). Here is a very basic explanation of how they work and what the major difference is between analog surveillance systems an IP camera systems. ... The cameras are connected to the DVR using transmission cables.
The thing is, security cameras need connection (power supply) whether battery or electricity; any one of those. ... Most CCTV cameras are powered by 12V via a power box or power adaptor. Unless you have a UPS or power backup the cameras and recorder will also be powered off if there is no electricity.