... FormatH.264OSEmbedded LinuxVideoInput8CH BNC InputsOutput1*BNC Output,1*VGAAudioInput1CHOutput1CHRecordingResolutionNTSC:D1(704×576),HD1(704×288 ... InputNOAlarm OutputNOStorageHDD1 SATA HDD,up to 2TBPTZPTZ1*RS485 port,support PELCO-P,PELCO-D ProtocolPTZ Controlpan, ... N RatioMore than 48dBElectronic ShutterNTSC:1/60~1/100,000, PAL:1/50~1/110,000Gamma0.45White BalanceAutoBacklight CompensationAutoGain ...