... operating system System resourceMulti-channel real-time recording synchronously, multi-channel real-time playback, multi-channel multi-user network operation, USB back up ... penetrate all kinds of network, easy to do remote control 4) H.264 Main Profile,the space-time filter technique makes the ... detection,items care, flowmeter, abnormal video signal diagnosis13. DVR,NVR and HVR, 3 in 1.14. Support XM ...