: It is compatible with various channel configurations (4, 8, 16, or 32 channels) and camera types, including 1080p AHD, 5MP, and 4MP DVRs or NVRs.
Look for an 8-digit sequence within the system version (e.g., in V4.02.R11.00031095.12001 , the key digits are Physical Inspection: v402r11 h264 h265 dvr nvr firmware download exclusive
: Ensure you're downloading the firmware for the correct model, in this case, the V402R11. Manufacturers often have different models with similar names but different hardware. : It is compatible with various channel configurations