2017 upgrade patent design white Aluminum profile Acrylic Frosted diffuser 100-240VAC Operating voltage Epistar 2835SMD Chips with LM80 Qualified,"Lifud" driver with Emergency or Dimmable Version available, Seamless connection, X, L and T Standard Module Node connectors with electrical feed-in and feed-out, 3000k, 4000k, 5000k and 6000K Color temperature optional,Suspended or Surface mounted installation available,CE,RoHS,FCC Approved, 3 years warranty