1TB=1024G,1GB=1024MB, this is theoretical value.For simplicity, hard drive manufacturer(like Seagate,Western Digital) define 1TB=1000GB on their HDD products and we call this manufacturer’s value. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage. So a HDD printed 1TB has only 931GB storage space […]
Depth of Field Calculator
This F-Stop Calculator lets you compare how much more or less light on two lenses pass. This is a key factor for video surveillance camera at low light performance.
With the rapid development of network technology today, the use of dynamic domain name system (DDNS) in security has gradually declined, even disappeared. But now many network cameras, network hard disk video recorders still retain the function of DDNS. Here we review the use of DDNS and its application in the field of security. There […]
how to calculate security video camera record file size and HDD storage.The key factor is bitrate.
ork technology and chip technology, security video surveillance has entered the era of network HD. CCD image sensor products are gradually eliminated, and CMOS image sensor has become the main.
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