Functions & Features: Ultra-thin design,small size, for homes, small retail stores, offices; MJPEG compression format, High resolution picture quality; Motion detection: for each channel can set different regional and sensitivity; Support a list of events and precise time intervals search; Infrared remote control, optional; Video loss alarm function; Password protection; Self-recovery after power reconnected. The advantages: 1. Ultra-thin design,small size, 4 channel stand alone DVR.