M-JPEG compression; Embedded RTOS; Display Resolution; PAL: 640*544    NTSC: 640*448; Record Resolution: PAL: 640*272     NTSC: 640*224; 4 group Video input, 1 group BNC output; 1 group Audio output; Display Frame Rate: PAL: 100FPS;   NTSC: 120FPS; Record Frame Rate: PAL: 50FPS;    NTSC: 60FPS; Video enhance: Brightness, contrast, chroma, saturation; Display Format: Full screen, Quad; Mode: Time/Date, record events; Motion detection, Detection signal loss, automatic platform, buzzer alarm output; Support 1 SATA HDD; PC playback, PTZ support; Power/ Consumption: Input:DC12V/3A(AC100V-240V 50/60HZ); Automatic Recovery Record Mode when power is on; Temperature/ Humidity: 0℃～＋60℃；10%～90%; Size: 280mm*240mm*20mm , gross weight: 2.3Kg, Net weight: 1.6Kg