div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · Door Unit sold separately iVision+ Handheld Unitl Door Unit Button External Chime is activated is Pressed on Gateway Unit Handheld Unit chimes and user is able to answer and src=https:reader035vdocumentinreader035viewer20220710175fd073c6c1c137749e1a9a71html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · Door Unit sold separately iVision+ Handheld Unitl Door Unit Button External Chime is activated is Pressed on Gateway Unit Handheld Unit chimes and user is able to answer and src=https:reader035vdocumentinreader035viewer20220710175fd073c6c1c137749e1a9a71html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · Door Unit sold separately iVision+ Handheld Unitl Door Unit Button External Chime is activated is Pressed on Gateway Unit Handheld Unit chimes and user is able to answer and src=https:reader035vdocumentinreader035viewer20220710175fd073c6c1c137749e1a9a71html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: · Door Unit sold separately iVision+ Handheld Unitl Door Unit Button External Chime is activated is Pressed on Gateway Unit Handheld Unit chimes and user is able to answer and src=https:reader035vdocumentinreader035viewer20220710175fd073c6c1c137749e1a9a71html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv