Video Output : 1 Analog (RCA)Video Input : 4 Camera InputVideo Format : NTSC or PALAudio Input/output : 1/1Display Mode : 1 Full, 4 Full, 1Up, 4 UpVideo Compression : Mpeg-4 ASPAudio Compression : PCM, ADPCMDisplay Resolution : 720X480Recording resolution & Frame : 720X480Recording Speed : 30fpsRecording mode : Continuous, Event, SensorMotion detection : Support the setting of motion sensitivity per camera (16X12 Block)PC S/W : DMR ManagerRecording Media : Unlimited HDD Space (2.5"), CF Memory : System Operation Remote Controller Frame Display : 1ch 30 frame/secFrame Recording : 1ch 30 frame/secSearch Mode : Time, Camera, Event, etc.Power Supply : DC 12V/ 24VConstruction : Aluminum housing & IronDimension : Metric 110(W) X 38(H) X 150(L)mmWeight : 0.52 Kg (without HDD)Storage temperature : -20? ~ +70?Humidity : 20 ~ 95% RH