DVR works for my old cameras with BNC connectors (circa 2004). It's noisy, but a lot less noisy than other DVRs I have. Here are some issues: 1. For viewing on my phone, the DVR came with instructions for two smartphone apps "Guarding Vision” and "iVMS-4500”. I'm not sure which one to install, but both require me to grant them so many permissions that I can't install them either. (Permissions: device and app history, identity, location, photos/media/files, camera, microphone, Wi-Fi connection information, device ID and call information)2. The only browser I can use to view cameras is Internet Explorer. Not Edge, not Chrome, not Firefox. Here is my workaround for remote viewing: a) Have a local computer (always on) that can access the DVR using Internet Explorer. b) Enable Chrome Remote Desktop on this computer and use Chrome Remote Desktop. when I want to connect from remote locations.
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