Features:> 4/8 Ch video input, CIF/D1 recording > Support VGA, BNC synchronous output> 4/8Ch. synchronous playback > Support mobile phone viewer (Windows Mobile/Symbian/iPhone/ Android/BlackBerry)> Standard H.264 compression> Support multiple DDNS (Oray, 3322, DynDNS)> PTZ control by mouse and Controller> 1 SATA interfaces, support TB HDDModel XS-6504XS-6508Main ProcessorHigh Performance Embedded MicroprocessorOperation SystemEmbedded Linux OSSignal SystemPAL/NTSCSystem ResourceRecording, Playback, Remote AccessOperation InterfaceMouse, Front Panel, Remote ControlVideo Split1 / 4 Split Display 1 / 4 / 8 / 9Split Display Video ResolutionD1Video Playback Resolution CIF/D1 Bit rate Control Dual stream Image Control6 LevelsRecording SpeedPAL:25fps/channel, NTSC:30fps/channelMotion DetectionConfigurable detection areas (22 * 18 blocks) and SensitivityAudio CompressionG.711Recording PriorityManual > Alarm > Motion Detection > ScheduleLocal Playback4channel synchronous playback 8 channel synchronous playbackPlayback SearchDate, Time, Event, ChannelVideo StorageLocal HDD, USB HDD, NetworkBackup ModeLocal HDD, USB HDD, Network Video Input4 channel BNC8 channel BNCVideo Output1 channel BNC, 1 channel VGA (800*600 1024*768 1280*1024 optional)Audio Input1 channel RCAAudio Output1 channel RCAEthernet InterfaceRJ45 10M/100M Base-TXPTZ Interface1 * RS485USB Interface2 *USB2.0HDD/SATA Interface1 * SATAPower SupplyDC12V±10% Power Consumption<15W (HDD not included)Working Temperature-10- +55Size 250(W)x41(H)x220（D）mmWeight 2KG
