... :Color temperatures: WW: 2,800 to 3,300KPW: 5,500 to 6,500KCW: 6,500 to 7,000KDimensions: Φ168 x 110mmLuminous ... optical lens, Epistar chip encapsulated LED high power, and external transformerPerformance description: Epistar silicone encapsulated high power LED makes 90 ... optical lens allows beam angle ranges from 10 to 60°External transformer is easy to install and maintain Colors: red, green, blue ...