Features: (1) High quality color video at 30/25 fps recording/playback quad mode (2) Optional: NTSC and PAL system (3) Recording mode: Auto record, manual, schedule, motion detection (4) Motion Detection: Area selection & sensitivity adjustment for each camera (5) Recording frame rate: NTSC max. 30 fps (quad) PAL max. 25 fps (quad) (6) USB: Optional (7) With video loss alarm function (8) Chinese/English menu switchable