... CE ,RoHS ,FCC certifications dimmer: OEM service offered LT-300 controller; LED controller, RGB controller 2. PRODUCT SPECIFICATIONSSpecification of ... LT-300 LED RGB controller: level:256 level brightness, full- ... widely used DMX512/1990 signal to analog signal. LT-300 also has 34 different pre-programmed color pattern choices, ...