I bought 2 SanDisk Micro SD cards (32GB and 64GB) and soon they both broke. I tried them on a home security camera and two different dashcams, but they were unreliable in all cases. They start off well but stop working after a short while, but you won't know that until you watch the video. I bought a different brand DVR and it worked fine. I will spend a little more money and get a more reliable brand from now on.
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