Card capacity: 1,000 cards; face capacity: 1,000 face images; . Face-camera distance: 0.3-3m; Human height: 1.1m-2.4m . Face verfication accuracy>99%; face comparison speed ≤0.2s per person; false recongnition rate<0.1% . Face profiles can be recognized, the profile angle range is 0°-90° . With face detection box; the largest face among faces that appear at the same time is recognized first.