... of the induction distance by temperature4.High-precision constant current drive, which can extend the LED lifespan;5.The tube has automatic ... 1760-1950Lm Work environment humidity 65+20%RH length of the tube 0.6m,0.9m,1.2m,1 ... ,hotel, office, washrooms,School, Library, Hospital,Subway Station, Bus and Train,Restaurant, Factory, Production Line, Warehouse, PathwayOur service:1. Any of your question ...