a couple of days back, I was being in a hotel and needed to verify if the CCTV process was working properly. I tried quite a few power sockets to show it on, but nothing labored. It turned evident the NVR was defective. https://total-bookmark.com/story19368817/trustworthy-cctv-digital-camera-store-in-close-proximity-to-me-my-encounter-with-dubairepairs-com