5V~24V, SD Card, LED RGB Controller 1, 5V~24V input 2, control Full Color LED Light 3, CE&ROHS 4 ... line, surface light..3, It is 1 port controller, each port can connect 512/2048 lights.4, ... SPEED+” speed+, “SPEED-” speed- Note: T-2048 dots controller, load 512/1024 lights each port, the playback speed ... , text, animation, video etc. Connect to LED Pixel Light: Connect to LED Digital Tube: Projects: