... micro-control unit, its used for controlling a variety of lamps whose source of light is LED. For instance, points source of light, flexible chatoyancy, wall ... modes of change for you to choose; B+: A brightness control button, the step of the brightness add 1 by each pressing, a total of 256 ... speed change add 1 by each pressing, a total of 100 steps.S-: The step of the speed change subtract 1 by each ...