The smart security camera can store and cascade
enormously high-resolution video to help you to keep your eyes on what is
happening around your home, and the stored videos mean that you can look at
that activity whenever you want.
Local storage of a camera comes with a host of benefits, but you
will need a MicroSD card. Now the question arises: what size of MicroSD card do
you need and how much footage you will store as well. The footage storage can
be differing from camera to camera, but you need to consider several things.
Resolution
Vs. Time: When you decide how much storage capacity you
need, you must consider the resolution and recording length. The lower
resolution video takes more inadequate space than the higher resolution video
but at the expense of clarity. The most common explanation for the modern
security camera is 1080p or 1440p, called 2K or 4K. You can make out more
detail in 2K video in 1080p than 4K video in 1440p footage, which depends upon
the brands, and you may have the option to store footage at a lower resolution
to maintain space into your memory card.
Many security cameras offer options for continuous recording,
and you will still get notifications of motions and activities around your
home, but it will record each minute of each day. This will need more storage
space in comparison to the event recordings.
Frame
Rate: Another essential feature is frame rate. That
video that takes 30 frames per second (fps) requires less space than those
videos that take 60 fps. Not all the cameras will allow you to adjust the fps
of recording, so you will receive better footage of a higher frame rate, which
may be affected by the lighting conditions. For example, some cameras will
shoot 15 fps because of the lower light situation but revert to their default
30 fps when the light conditions are good.
On the other side, when you choose to record high-resolution
recording, your storage requirements will be huge, and you need a standard SD
card. And at that time, you must select a security camera that offers
network-attached storage (NAS) as an option because you will be able to attach
an external hard drive.
Codec
and Compression: A codec is a type of encoding software that
encodes the digital footage into that language in which the computer can read
and store. There are a few kinds of codecs, and each store video and audio at a
different rate and a different storage size. Examples of codecs are H.264 and
HEVC.
Compression is another feature. All videos do not store in their
original size. In maximum cases, compression takes less space on a memory card
and the hard drive, and the Compression algorithm used by the security camera
when you are going to play video in a significant role in how much memory
footage is required.
How much space is required by a security camera?
Eufy
2K Pan & Tilt Camera: This one minute of 2K resolution footage takes
40MB space. According to that, around 2.4GB per hour and about 57.6GB per day
when you record continuously.
When you need event recording and assume six events per day with
two minutes of recording each, then that is only 480MB per day.
Wyze
Cam Outdoor: In this one minute of video takes 5MB space.
According to that, around 30 minutes of video takes 255MB space and 450MB for
an hour and about 10.8GB per day when you record continuously.
What size storage should you buy?
Although you can search in MicroSD card and SD cards up to 1TB
in size, a 256GB memory card will be enough for some days worth of footage in
most cases. With the highest capacity requirements, a 256GB memory card will
store around 4.5 days worth of footage when you record continuously.
A considerable majority of the security cameras use rolling
space, which means that the old clip will be erased or replaced when the cards
are filled. In many cases, you do not need to erase the footage manually to
make space for more. When you want to archive clips, you will want to look into
the system that offers you an external hard drive.
They are more affordable when you are looking at the cost per
gigabyte rate, making them more cost-efficient when you intend to store all
your footage for an extended period. One concern about using the local storage
option is that there is the possibility of failure just because everything goes
wrong due to tear and wear; hard drives and memory cards are no exception. Some
companies offer recovery services that can rescue the footage that would
otherwise be lost.
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SOURCE: How Much Space is Required For Security Camera Video Footage