... auto-adjust work status environmental friendly,no UV ray energy- saving and 80000h lifespan OFeatures:1.when no people or ... in waiting state.)6. Perform stably under various conditions and almost maintenance free.7. Easy installation with thinner ... hotel, office, washrooms,School, Library, Hospital,Subway Station, Bus and Train,Restaurant, Factory, Production Line, Warehouse, PathwayOur service:1. ...