QNAP LIC-CAM-NVR-4CH warranty/support extension

Based on the model, the VioStor NVR comes with a different number of free channels. The maximum number of recording channels supported is for reference only. The actual recording performance may vary depending on a number of factors such as the IP cameras, video contents, network bandwidth, recording settings and other applications running on the NVR. Please contact authorized distributors or camera vendors for more information on the recommended number of recording channels.