div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: PowerPoint 프레젠테이션 · The door lock itself diagnoses defect and informs you of malfunction or the battery change time through the alarm 1 4 7 5 a o a s o SELF Main Key src=https:reader035fdocumentsplreader035viewer20220708115f09f1cf7e708231d42941fahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: PowerPoint 프레젠테이션 · The door lock itself diagnoses defect and informs you of malfunction or the battery change time through the alarm 1 4 7 5 a o a s o SELF Main Key src=https:reader035fdocumentsplreader035viewer20220708115f09f1cf7e708231d42941fahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: PowerPoint 프레젠테이션 · The door lock itself diagnoses defect and informs you of malfunction or the battery change time through the alarm 1 4 7 5 a o a s o SELF Main Key src=https:reader035fdocumentsplreader035viewer20220708115f09f1cf7e708231d42941fahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: PowerPoint 프레젠테이션 · The door lock itself diagnoses defect and informs you of malfunction or the battery change time through the alarm 1 4 7 5 a o a s o SELF Main Key src=https:reader035fdocumentsplreader035viewer20220708115f09f1cf7e708231d42941fahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: PowerPoint 프레젠테이션 · The door lock itself diagnoses defect and informs you of malfunction or the battery change time through the alarm 1 4 7 5 a o a s o SELF...