... and environmental-friendly 2.convenient installation 3.healthy lighting NO UV or IR radiation 4. Strict quality control process 5. ... it is cool we again test 100% of the lamps to see if it still work well . Each lamp should pass ... lighting :Residential Buildings, Home,Office, Meeting Room ,School, Library,Factory, Warehouse,Hotel, Casino,Parking Garage,Hospital,Commercial Center,Supermarket,Shopping ...