... , right auto (left upper, left down, right upper, right down)Camera Power SupplyDC 12V/650MACommunication InterfaceStandard RS-485Assistant SwitchAUXProtocolPELCO-D, PELCON ... , SPEC, PELCO-P, KRE-301 etcAddress128 addressEnclosure MaterialCold steel rolling plate, computer color, static spray powderEnclosure Size220×145x50mmGross weight2.3KGApplication EnvironmentIndoor ...