DVR/16+16 16+8 8+4 4+2
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4+2, 8+4, 16+8, and 16+16 Channels Explained
These are specs found on our HCVR units. The first number is the number of channels that the unit can support, the second number signifies additional IP cameras that can be added into the units. If the numbers are the same, the unit supports N + N and if the numbers are different, the unit supports N + M.