5V~24V, SD Card, LED RGB Controller 1, 5V~24V input 2, control Full ... , line, surface light..3, It is 1 port controller, each port can connect 512/2048 lights.4, Could ... SD card.5, “SET” save operation, “MODE” change effect animations, “SPEED+” speed+, “SPEED-” speed- Note: T-2048 dots controller, ... as signal input side to connect controller.3, when pull out the SD card, please make sure that the power ...