1. SD card mini DVR 2. motion detection 3. can use IR remote ... The basic function of the DVR can be summarized as: DVS=CCTV+DVR, that is to say, when moving object appears ... ) at any moment and also can transfer the records to computer. DVR can be widely used in house, office, supermarket, ... Can look for , and check images/video according to the shooting date;16. Has the simple menu for operation, no ...