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There are some differences between the installation of splicing screens and ordinary displays and LED screens. Due to its special LCD tech??
If an IP camera can support DDNS (Dynamic Domain Name Server), users can set the IP camera at a virtual domain name (such as cam1.kitchen.Guangzhou.xxx.xxx) ??
1.The switch room should be dry, ventilated, none corrosive gases and strong electronics interference
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The amount of time a DVR will record for is based on the size of the DVR's hard drive; the number of cameras recording; and the number of frames per second i??