... recording, playback, backup & remote accessControl ModeFront panel, USB mouse, IR remote control, Keyboard, NetworkVideoInput4channel, BNC (1.0Vp ... ManagementHDD faulty alarmAuxiliary InterfaceUSB Interface2 ports, 1 for mouse control, 1 for backupPTZ controlNoEnvironmentalPower SupplyDC 12V / 2APower ... Weight 2kg (Exclude HDD) 4ch stand alone DVR with H.264 dual-stream video compression,4 Channel D1 ...