Caution automatic door

caution automatic door warning safety alert entrance exit sliding sensor movement door operation public building facility notice hazard instruction access control pedestrian safety revolving door glass door motion sensor doorway restricted area safety sign precaution advisory information alert signage property entry automatic mechanism sliding door cautionary notice protection safety measure hazard warning access point motion detection public safety alert sign door sensor movement detection automatic entrance warning sign safety guideline facility safety instruction access control alert notice protective signage pedestrian warning caution sign automatic door operation safe entry exit instruction