H.264 720P HD Output DVR 4 Channel - Apple IPHONE MAC OSX Windows PC Compatible Features: HOME ... ModeHDD, CD-writer, USB storageRecording SavingHDD, networkVideo Input4 channel, BNCAudio Input2 channel, BNCVideo Output1 CVBS, BNC (1.0Vp-p,75ohms) ... 1 VGA, 1280×1024,1280×720,1024×768 resolutionAudio Output1 channelCaptureJPEG captureAlarm Input4 channelAlarm Output1 channel, relay NO, NCEthernet1 RJ-45 ...