Video signal NTSC/PAL Operating System Embedded RTOS Video Input Channel BNC? Video Output Channel BNC? ,S-Vdieo Audio input RCA? Audio output RCA? Display Frame NTSC 240fps PAL 200fps Compression Format JPEG-2000 Recording frame rate NTSC120fps,PAL:100fps HDD NO Hard Disk Inside Back-up(Archive Device) HDD, VCR,USB,CLIENT,CD-ROM code protection Yes Power supply DC15V/3A Power 40W Sensors, Alarm 8 Input, 1 Output PTZ Yes Motion Detection Yes Dimensions(mm) 430(W)?66(D)?5(H)