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3 Installation and Configuration
3.1 Framework and Dimensions
The following figures show the dimensions of the device in mm (in.). These images are intended
as a reference only.
Figure 3-1: Dimensions
3.2 Locally Storing Data
Certain cameras include a SDHC card slot for onboard storage that support a 128 GB Micro SD card.
Dahua recommends using a SanDisk Extreme Micro SD card (or an equivalent substitute) as these
cards have been fully tested without issue and the SanDisk Extreme line is better suited for constant
recording. Lower-grade SD cards meant for multimedia applications will, at times, have questionable
quality and reliability.
Recording to the SD card is first in first out (FIFO). The camera deletes the oldest (first) entry as new
storage requirements arise. The camera does not signal nor make an indication when data is deleted.
Storage time is dependent on a variety of factors such as SD card size, image resolution and video
frames per second.
SD Recording supports video only. Audio is not supported.
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