Classification of storage devices in video surveillance system
Video monitoring system Classification of storage devices in
1、 Home Security monitoring : If the SD card is used for storage, the user must want to know how long it can be stored? There are many factors to consider about how long it will last. This should not only consider the specific image color, but also consider the storage format and storage medium capacity.
2、 Installation monitoring system : It can be roughly divided into three aspects: video camera , DVR, display device. Among the DVRs, there are hard disk DVRs and SD card DVRs. The basic two of Z are very different in volume, weight and storage capacity; Another important thing is that the maintenance and shock resistance requirements of hard disk DVRs are higher than those of SD cards. At present, the SD card series DVR is developing rapidly, and as a new type of security monitoring DVR, it is becoming more and more popular. Keep up with the market. For example, our company has launched a series of SD card DVRs to meet the needs of home security.
3、 In AC monitoring, what is the difference between digital equipment and analog equipment? SD card DVR has analog and digital differentiation, and both are widely used. The input and output of analog DVR are analog signals. It is convenient to connect an external analog camera in installation, but most of them are widely used. Customers can connect the external analog camera wirelessly or wirelessly as required.
4、 In addition to the video recording function, what other functions are there: the functions are simple and complex according to different products. Generally, hard disk DVR has many functions, which is easier to operate than SD card. But what kind of environment should choose practical functions. If it is used for home security, the customers are the majority of residents, and simple operation is undoubtedly favored by customers.
