... PTZ and network function Built in 7 inch hidden LCD monitor 4CH Video Input & 4CH Audio Input ... language versions are selectable ;Built in 7 inch hidden LCD monitor,convenient for using ;Applied in small surveillance area ... ,B01,SAMSUNGLanguageSimplified Chinese,Old Chinese, EnglishMonitor7 inch hidden LCD monitorSATA BackupNOYESSoftware UpgradeUSBPower Suplly12V/ 4A DCWorking Temperature-10° ...