... Sealing 1.Energy-efficient,environment-friendly 2.No glare,no noise,directional lighting source,low light pollution3.Constant current design and aluminium ... than 50,000 hours Application:1.Commercial and exhibition locations 2.Hotel,conference room 3.Factory,office,house 4.Airport, ... that require energy-efficient and high color rendering index Fluorescent purification light, clean light, dust-proof ...