| Setting | Options | Technical Impact | |---------|---------|------------------| | | Main (high) / Sub (low) / Auto-switch based on grid size | Reduces CPU/bandwidth when viewing many cameras. | | Hardware Acceleration | Auto / Intel QuickSync / NVIDIA NVENC / AMD AMF / Disabled | Lowers CPU usage, enables 4K decoding. | | Decoder Mode | DirectShow / FFmpeg / GStreamer / Vendor SDK | Compatibility and performance tuning. | | Max Concurrent Streams | 4, 9, 16, 36, Unlimited (with warning) | Prevents system overload. | | Auto Reconnect | Forever / N times (3,5,10) / Disabled | Attempts reconnection after stream loss. | | Reconnect Interval (sec) | 1–60 | Delay between retries. | | Low Latency Mode | On / Off | Disables buffering; may drop frames. |

Many users buy a camera, plug it in, and never change the default settings. They might leave the default port (often 80, 8080, or 37777) open to the internet.