... resources4 channel CIF real time recording and network transmission at one time,1 channel or 4 channel CIF palyback and ... .Vedio systemPAL,NTSCAudio compressionADPCMRecord modeManual,Time fixed,Alarm,Motion detectionRecord search modeDate/Time search,Event search,channel search,LOG ... 16) and can setup multi-levels sensitivityImages show1 or 4 channels showRecord speedPAL:25fps(adjustable) , NTSC:30fps( ...