Product Description8 channel digital harddisk video recorder H.264 compressionOS PSOS real time operation system Video Input/Output 8 In / 2 Composite Out / 1 VGA Out Video Signal NTSC/PAL Selectable Display Speed (NTSC/PAL) 240 / 2 00fps(Real-time Display) Recording Speed (NTSC/PAL) 3 60 x240 240 / 2 00fps (complete pictures) 720 x240 120 / 100 fps (complete pictures) 7 20 x480 60 / 50 fps (complete pictures) Monitor Output Main Monitor Output (Composite , VGA)