... LED Efficiency: 100LM/WLight Efficiency: 85LM/WColor Temperature: Pure white, Warm white, Amber white D.Other Parameters:Product Patents: YesOperating Temperature: - ... warranty period, Greenlux bears the shipping cost back and forth for replacing the defective goods, on condition that ... ,Museum,Bank,Subway,Exhibition hall,Hotel etc.Recessed and Ceiling,Special apply to Hospital,Museum,Bank,Subway, ...