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Power Requirements for Dahua DVR, Cameras, and HDD. Are My Calculations Correct?
Hello, I’d like to calculate the total power consumption and current draw of my CCTV system. I have a Dahua DVR with 8 cameras. According to the official Dahua specifications, the DVR consumes <7 W (without the HDD), and each camera consumes up to a max of 3 W with IR on. So based on that, my...