![]() However, if the user wants to monitor the digital video live (or later) the monitor will be needed. Technically, a monitor is only needed for the system to set it up that is, fine tune and adjust initial settings. Let’s start from the beginning.Ī digital video security camera system works by capturing color digital video images with the camera, transmitting those images to the Digital Video Recorder or DVR unit, and saving them on the DVR’s hard disk drive and or displaying them on a monitor. Yet another is the ability to save digital video images to an SD card, a relatively small device that can pack a big punch in memory capacity these days. Another technological feature is its relatively low demand for power consumption. The secret behind the success of the hidden camera with SD card is its incredibly small size. These cameras come in “bare-bones” mini versions, where the camera is basically undisguised but is small enough to be hidden, to disguised versions that look (and often times function) as clocks, mirrors, safes, stuffed animals, and many more.īut what exactly is a hidden camera with SD card and how is it able to work? We’ll answer those questions and more in the following article. ![]() When it comes to the appearance of a hidden camera with SD card, there are many types from which to choose. Thanks to recent technological advances in the computer world as well as in general electronics, a camera can be made as small as to fit in the shell of an average writing pen. There are times when covert camera monitoring and recording are necessary and one of the best devices for this purpose is a hidden camera with SD card.
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