... easyn.hk,'demo' is serial code IE multi-channel view client(free)No need to install software ... via IESuper client1,4,9,16,25,36, 64-channel , no user limited , centralized monitor, remote record ... WB, BLCAutoLensStandard: 3.6mmNightvisionNightvision12Φ5 LED lights IR distance: 15mAudioCompression formatADPCMInputBuilt-in MircophoneOutputVideo output, with external interfaceAudio gainAGCNetworkNetwork ...