NVR502-B Series 2 HDDs 9-ch 1U Network Video Recorder • Support Ultra 265/H.265/H.264 video formats • 9/16/32-channel input • Support mainstream cameras of ONVIF conformance(Profile S, Profile G, Profile T ) and RTSP protocols • VGA and HDMI independent output • Up to 16 Megapixels resolution recording • ANR technology to enhance the storage reliability when the network is disconnected • Support cloud upgrade