MPEG4 Video formats£¬excellent screen, and the best bitstream. 2.3 Surveillance and video processing l surveillance: 4 channels D1 video (PAL: 720 * 576, NTSC: 720 * 480) l Recorder: Total resources 50 PAL, 60 NTSC . 4 channels D1 video storage alone. l Three record modes: according to car¡¯s automotive sensor alarm record, motion detection record, manual record; support 4 channels video and 2 channels aduio record. l Video quality: a total of eight adjustable l Specially designed for video file system can improve the life of hard drive. l Can not be artificially modified disk storage of video&audio data, as evidence of the high credibility.