... InterfaceUSB 2.0 Port x 2pcsAlarm Input4chAlarm Output1chRS-4851chGeneralPanelBlue Backlit LCD(IP, Error Code, Recording Statement, Temp, Date)Size1U, 360x250x44mm ... ±10% 2APower Consumption10W(without HDD) AEBELL Entry Level DVR400 Series 4ch Network DVR/4/8 ch network embedded dvr Verified ... ) Total Revenue (%) North America USD 1,144,848 4.88 South America USD 293,250 1.25 Eastern Europe USD ...