One of 3 DVR's. The one shown below will handle 24 cameras and 16
microphones. It is worry-free, and like the cameras
and what microphones I have connected, all runs free (when I get
older, I would forget to pay the electric bill, potentially
repeatedly. With the solar array and battery banks, the
electricity will outlive me).
Below is a camera and microphone embedded in an old Verizon
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