... SD Card, LED RGB Controller 1, 5V~24V input 2, control Full Color LED Light 3, CE&ROHS 4, ... and other point , line, surface light..3, It is 1 port controller, each port can connect 512/2048 lights ... +” speed+, “SPEED-” speed- Note: T-2048 dots controller, load 512/1024 lights each port, the playback speed ... with black IC as signal input side to connect controller.3, when pull out the SD card, please ...