Features: ?4 channel wired video input and 2 channel video output ?Recording mode: can be choice the motion detection and sensor activated continuous ?Display resolution: NTSC: 720x480, PAL: 720x576 ?4 channel sensor input, 1 channel alarm output ?With motion detection and video loss alarm function ?All function from front panel control ?Easy installation and operation, ?NTSC and PAL system option ?Included PC playback software ?With video capture from USB2.0 port via PC ?With power recovery auto-record function Specifications: Video Input Format NTSC: BNC 4CH In / 2CH Out (Composite) PAL: BNC 4CH In / 2CH Out (Composite) Display Frame NTSC: 120 fields / s 4x30 fields / s PAL: 100 fields/s 4x25 fields / s Recording Frame Rate (Quad Mode) NTSC: Max. 30 fps (Quad) PAL: Max. 25 fps (Quad) Recording Frame Rate (Each Mode) NTSC: Max.7.5 fields/s (Each) PAL: Max. 6.25 fields/s(Each) Compression Format (Each Channel) Modified MJPEG (12-20K Bytes per frame) HDD Fixed Over 200G Byte, ATA-100 interface Display 10.4" color LCD, 800x600, 250:1 250cd/m2, view angle: 150o Recording Time 14 days with 120GB HD 7 fps Recording Mode Continuous, Motion Detection, Sensor activated Sensors, Alarm 4 Input, 1 Output (10 Pin DIP Switch) USB Port 2.0 Version Power Input 120VAC / 5VDC 2A,12VDC 3A or 230VAC / 5VDC 2A, 12VDC 3A Dimension (LxWxH) 400x276x110 mm