The LSTC12-4A-RGB-AS is a 24-key aluminum shell RF LED controller designed to manage RGB lighting systems with advanced microcontrol capabilities. It features a 3-channel output configuration with common anode connection, supporting input/output voltages of DC 12V–24V and a total output current of 12A (maximum 4A per channel). The controller operates across a wide temperature range of -20°C to +60°C with static power consumption below 1W, and includes RF remote control functionality for adjusting brightness across 16 levels, selecting from multiple static colors, and enabling dynamic lighting effects such as strobe, fade, and color transitions. The compact aluminum enclosure measures 130×64×24 mm, making it suitable for integration into various LED lighting applications including point source lights, flexible light strips, wall washers, and glass curtain wall installations, while offering ease of connection and memory retention after power loss.